ISL28022EV1Z

Digital Power Monitor

The ISL28022EV1Z is a digital power monitor from Renesas / Intersil. View the full ISL28022EV1Z datasheet below including key specifications, absolute maximum ratings.

Manufacturer

Renesas / Intersil

Key Specifications

Parameter	Value
Applications	Digital Power Monitor
Quiescent Current	700 µA
DigiKey Programmable	Not Verified
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 125°C
Package / Case	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Packaging	Tube
Standard Pack Qty	980
Supplier Device Package	10-MSOP
Input Voltage Range	0V ~ 60V
Supply Voltage	3V ~ 5.5V

Overview

Part: ISL28022

Type: Precision Digital Power Monitor

Description: A bidirectional high-side and low-side digital current sense and voltage monitor with serial interface, monitoring current and voltage and providing results digitally along with calculated power. It offers less than 0.3% accuracy for both voltage and current monitoring over a 0V to 60V input range.

Operating Conditions:

Supply voltage: 3V to 5.5V
Operating temperature: -40°C to +125°C
Bus voltage sense range: 0V to 60V

Absolute Maximum Ratings:

Max supply voltage: 6.0V
Max junction temperature: +150°C

Key Specs:

Useful Full-Scale Current Sense Differential Voltage Range (PGA gain = /8): ±320 mV
LSB Step Size, Shunt Voltage: 10 μV
Current Sense Common-Mode (VINP, VINM): 0 to 60 V
V SENSE Offset Voltage (PGA gain = /1, /2, /4, /8; ADC setting = 1111): ±75 μV (max)
Current Sense Gain Error: ±40 m% (typ)
Useful Bus Voltage Range (BRNG = 2, 3): 0 to 60 V
LSB Step Size, Bus Voltage (BRNG = 0): 4 mV
Input Leakage, VIN Pins (Active mode): ±20 μA (typ)

Features:

Bidirectional high-side and low-side digital current sense and voltage monitor
16-bit ΣΔ ADC monitors current and voltage
Voltage measuring error <0.3%
Current measuring error <0.3%
Handles negative system voltage
Overvoltage/undervoltage and current fault monitoring
I2C/SMBus interface
Supports high speed I2C (3.4MHz)
Configurable fault thresholds and measurable ADC gain ranges
Average current consumption: 700μA

Applications:

Routers and servers
DC/DC, AC/DC converters
Battery management/charging
Automotive power
Power distribution
Medical and test equipment

Package:

10 Ld MSOP
16 Ld QFN

Features

• Bus voltage sense range. .	. 0V to 60V
• 16-bit ∑∆ ADC monitors current and voltage	• 16-bit ∑∆ ADC monitors current and voltage
• Voltage measuring error . .	. . . . <0.3%
• Current measuring error . .	. . . . <0.3%
• Handles negative system voltage	• Handles negative system voltage
• Overvoltage/undervoltage and current fault monitoring	• Overvoltage/undervoltage and current fault monitoring
• I 2 C/SMBus interface • Wide V CC range . . . . . . . . .	3V to 5.5V
• ESD (HBM). . . . . . . . . . . . . .	. . . . . . 8kV
• Supports high speed I 2 C .	. . . 3.4MHz

Applications

Routers and servers
DC/DC, AC/DC converters
Battery management/charging
Automotive power
Power distribution
Medical and test equipment

Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pin Configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pin Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Absolute Maximum Ratings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Typical Performance Curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Functional Pin Descriptions
Register Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Serial Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Protocol Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
SMBus Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Device Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Write Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Read Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Broadcast Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2
I C Clock Speed. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Signal Integrity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Measurement Stability vs Acquisition Time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Fast Transients. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
External Clock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Over-Ranging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Shunt Resistor Selection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Lossless Current Sensing (DCR). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
A Trace as a Sense Resistor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Package Outline Drawings.

Pin Configuration

Absolute Maximum Ratings

VCC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . . . . . . . . . . .6.0V
VBUS Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . . . . . . . . . . . 63V
Common-Mode Input Voltage (VINP , VINM) . . . . . . .	. . . . . . . . . . . . 63V
Differential Input Voltage (VINP, VINM) . . . . . . . . . . .	. . . . . . . . . . . ±63V
Input Voltage (Digital Pins) . . . . . . . . . . . . . . . . . . . . .	(GND - 0.3V) to 5.5V
Output Voltage (Digital Pins). . . . . . . . . . . . . . . .(GND	0.3V) to VCC + 0.3V
Open-Drain Output Current . . . . . . . . . . . . . . . . . . . . .	. . . . . . . . . . 10mA
Open-Drain Voltage (Interrupt) . . . . . . . . . . . . . . . . . .	. . . . . . . . . . . . 24V
ESD Rating
Human Body Model (Tested per JESD22-A114). .	. . . . . . . . . . . . 8kV
Machine Model (Tested per JESD22-A115). . . . . .	. . . . . . . . . . . 400V
Charged Device Model (Tested per JESD22-C101)	. . . . . . . . . . . . 2kV
Latch-Up (Tested per JESD-78B). . . . . . . . . . . . . . . . .	. . 60V at +125°C

Recommended Operating Conditions

Ambient Temperature Range (T A ) . . . . . . . . . . . . . . . . . . .-40°C to +125°C

CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and result in failures not covered by warranty.

JA is measured in free air with the component mounted on a high-effective thermal conductivity test board with 'direct attach' features. See TB379.
For JC , the 'case temp' location is the center of the exposed metal pad on the package underside.
JA is measured with the component mounted on a high effective thermal conductivity test board in free air. See TB379 for details.
For JC , the 'case temp' location is taken at the package top center.

Electrical Specifications T A = +25°C, V CC = 3.3, VINP = V BUS = 12V, V SENSE = VINP-VINM = 32mV, unless otherwise specified. All voltages with respect to GND pin.

PARAMETER	DESCRIPTION	TEST CONDITIONS	MIN (Note 8)	TYP	MAX (Note 8)	UNIT
INPUTS
V SENSEDIFF	Useful Full-Scale Current Sense Differential Voltage Range (VINP-VINM)	PGA gain = /1	0		±40	mV
V SENSEDIFF	Useful Full-Scale Current Sense Differential Voltage Range (VINP-VINM)	PGA gain = /2	0		±80	mV
V SENSEDIFF	Useful Full-Scale Current Sense Differential Voltage Range (VINP-VINM)	PGA gain = /4	0		±160	mV
V SENSEDIFF	Useful Full-Scale Current Sense Differential Voltage Range (VINP-VINM)	PGA gain = /8	0		±320	mV
V SHUNT_ step	LSB Step Size, Shunt Voltage			10		μV
V CMSENSE	Current Sense Common-Mode (VINP, VINM)		0		60	V
V OS	V SENSE Offset Voltage	PGA gain = /1, /2, /4, /8; ADC setting = 1111		±10	±75	μV
V OSTC	V SENSE Offset Voltage Temperature Coefficient			0.15		μV/°C
CMRR	V SENSE V OS vs Common-Mode	V BUS = 0V to 60V; BRNG = 2, 3	110	130		dB
PSRR	V SENSE V OS vs Power Supply	V CC = 3V to 5V		105		dB
A CS	Current Sense Gain Error			±40		m%
A CSTC	Current Sense Gain Error Temperature Coefficient			±1		m%/°C
I VINACT	Input Leakage, VIN Pins	Active mode (for both VINP and VINM pins)		±20		μA
I VINACT	Input Leakage, VIN Pins	Power-down mode (for both VINP and VINM pins)		±0.1	±0.5	μA
V BUS	Useful Bus Voltage Range	BRNG = 0	0		16	V
V BUS	Useful Bus Voltage Range	BRNG = 1	0		32	V
V BUS	Useful Bus Voltage Range	BRNG = 2, 3	0		60	V
V BUS_ Step	LSB Step Size, Bus Voltage	BRNG = 0		4		mV
V BUS_ VCO	V BUS Voltage Coefficient			50		ppm/V
R VBACT	Input Impedance, VBUS Pin	Active mode		600		k Ω

Electrical Specifications T A = +25°C, V CC = 3.3, VINP = V BUS = 12V, V SENSE = VINP-VINM = 32mV, unless otherwise specified. All voltages with respect to GND pin. (Continued)

PARAMETER	DESCRIPTION	TEST CONDITIONS	MIN (Note 8)	TYP	MAX (Note 8)	UNIT
DC ACCURACY
	ADC Resolution (Native)	PGA gain = /1, V SENSE = ±320mV		16		Bits
	Current Measurement Error	T A = +25°C		±0.2	±0.3	%
	Current Measurement Error	T A = -40°C to +85°C			±0.5	%
	Over-Temperature	T A = -40°C to +125°C			±1	%
Bus	Voltage Measurement Error	T A = +25°C		±0.2	±0.3	%
Bus	Voltage Measurement Error	T A = -40°C to +85°C			±0.5	%
	Over-Temperature	T A = -40°C to +125°C			±1	%
ADC TIMING SPECS
t s	ADC Conversion Time	ADC setting = 0000		72.0	79.2	μs
Mode	= 5 or 6	ADC setting = 0001		132.0	145.2	μs
		ADC setting = 0010		258.0	283.8	μs
		ADC setting = 0011		508.0	558.8	μs
		ADC setting = 1001		1.01	1.11	ms
		ADC setting = 1010		2.01	2.21	ms
		ADC setting = 1011		4.01	4.41	ms
		ADC setting = 1100		8.01	8.81	ms
		ADC setting = 1101		16.01	17.61	ms
		ADC setting = 1110		32.01	35.21	ms
		ADC setting = 1111		64.01	70.41	ms
I 2 C INTERFACE SPECIFICATIONS	I 2 C INTERFACE SPECIFICATIONS
V IL	SDA and SCL Input Buffer LOW Voltage		-0.3		0.3 x V CC	V
V IH	SDA and SCL Input Buffer HIGH Voltage		0.7 x V CC		V CC + 0.3	V
Hysteresis	SDA and SCL Input Buffer Hysteresis			0.05 x V CC		V
V OL	SDAOutputBuffer LOWVoltage, Sinking 3mA	V CC = 5V, I OL = 3mA	0	0.02	0.40	V
C PIN	SDA and SCL Pin Capacitance	T A = +25°C, f = 1MHz, V CC = 5V, V IN = 0V, V OUT = 0V			10	pF
f SCL	SCL Frequency				400	kHz
t IN	Pulse Width Suppression Time at SDA and SCL Inputs	Any pulse narrower than the maximum spec is suppressed			50	ns
t AA	SCL Falling Edge to SDA Output Data Valid	SCL falling edge crossing30%ofV CC , untilSDAexitsthe30%to70%ofV CC window.			900	ns
t BUF	Time the Bus Must be Free Before the Start of a New Transmission	SDA crossing 70% of V CC during a STOP condition, to SDA crossing70% of V CC during the following START condition.	1300			ns
t LOW	Clock LOW Time	Measured at the 30% of V CC crossing	1300			ns
t HIGH	Clock HIGH Time	Measured at the 70% of V CC crossing	600			ns
t SU:STA	START Condition Setup Time	SCL rising edge to SDA falling edge Both crossing 70% of V CC	600			ns
t HD:STA	START Condition Hold Time	From SDA falling edge crossing 30% of V CC to SCL falling edge crossing 70% of V CC	600			ns

Electrical Specifications T A = +25°C, V CC = 3.3, VINP = V BUS = 12V, V SENSE = VINP-VINM = 32mV, unless otherwise specified. All voltages with respect to GND pin. (Continued)

PARAMETER	DESCRIPTION	TEST CONDITIONS	MIN (Note 8)	TYP	MAX (Note 8)	UNIT
t SU:DAT	Input Data Setup Time	From SDA exiting the 30% to 70% of V CC window, to SCL rising edge crossing 30% of V CC	100			ns
t HD:DAT	Input Data Hold Time	From SCL falling edge crossing 30% of V CC to SDA entering the 30% to 70% of V CC window	20		900	ns
t SU:STO	STOP Condition Setup Time	FromSCLrising edge crossing70%of V CC , to SDA rising edge crossing 30% of V CC	600			ns
t HD:STO	STOP Condition Hold Time	From SDA rising edge to SCL falling edge. Both crossing 70% of V CC .	600			ns
t DH	Output Data Hold Time	From SCL falling edge crossing 30% of V CC , until SDA enters the 30% to 70% of V CC window	0			ns
t R	SDA and SCL Rise Time	From 30% to 70% of V CC	20 + 0.1 x Cb		300	ns
t F	SDA and SCL Fall Time	From 70% to 30% of V CC	20 + 0.1 x Cb		300	ns
Cb	Capacitive Loading of SDA or SCL	Total on-chip and off-chip		75		pF
R PU	SDA and SCL Bus Pull-Up Resistor Off-Chip	Maximum is determined by t R and t F For Cb = 400pF, maximum is about 2k Ω ~2.5k Ω For Cb = 40pF, maximum is about 15k Ω ~20k Ω	1			k
POWER SUPPLY	POWER SUPPLY	POWER SUPPLY	POWER SUPPLY	POWER SUPPLY	POWER SUPPLY	POWER SUPPLY
	Operating Supply Voltage Range		3		5.5	V
I CCEXT	Power Supply Current On V CC Pin, Active Mode	External power supply mode, V CC = 5V		0.7	1.0	mA
I CCPD	Power Supply Current On V CC Pin, Power-Down Mode	External power supply mode, V CC = 5V		5	15	μA

Thermal Information

Thermal Resistance (Typical)

JA (°C/W)

JC (°C/W)

16 Ld QFN (Notes 4, 5) . . . . . . . . . . . . . . . .

6.5

10 Ld MSOP (Notes 6, 7). . . . . . . . . . . . . . .

150

Maximum Storage Temperature Range . . . . . . . . . . . . . .-65°C to +150°C

Maximum Junction Temperature (T JMAX ) . . . . . . . . . . . . . . . . . . . . .+150°C

Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see TB493

Package Information

For the most recent package outline drawing, see M10.118.

M10.118 10 Lead Mini Small Outline Plastic Package Rev 2, 5/2021

Related Variants

The following components are covered by the same datasheet.

Part Number	Manufacturer	Package
ISL28022	Renesas / Intersil	—
ISL28022FRZ	Renesas / Intersil	16-VFQFN Exposed Pad
ISL28022FRZ-T	Renesas Electronics Corporation	QFN-16(3x3)
ISL28022FUZ	Renesas / Intersil	MSOP-10
ISL28022FUZ-T	Renesas / Intersil	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
ISL28022FUZ-T7A	Renesas / Intersil	MSOP-10

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

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