TPS61088RHLT.A

TPS61088 10-A Fully-Integrated Synchronous Boost Converter

Manufacturer

Texas Instruments

Overview

Part: TPS61088 from Texas Instruments

Type: 10-A Fully-Integrated Synchronous Boost Converter

Key Specs:

Input voltage range: 2.7-V to 12-V
Output voltage range: 4.5-V to 12.6-V
Switch current: 10-A
Efficiency: Up to 91% at VIN = 3.3 V, VOUT = 9 V, and IOUT = 3 A
Current into VIN pin during shutdown: 1.0-μA
Adjustable switching frequency: 200 kHz to 2.2 MHz
Output overvoltage protection: 13.2 V
Power switch resistance: 11-mΩ
Rectifier switch resistance: 13-mΩ
Operating junction temperature: –40 to 125 °C

Features:

Mode selection between PFM mode and forced PWM mode at light load
Resistor-programmable switch peak current limit
Adjustable switching frequency
Programmable soft start
Output overvoltage protection
Cycle-by-cycle overcurrent protection
Thermal shutdown

Applications:

Portable POS terminal
Bluetooth™ speaker
E-cigarette
Thunderbolt interface
Quick charge power bank

Package:

VQFN (20-pin): 4.50-mm × 3.50-mm

Features

2.7-V to 12-V input voltage range
4.5-V to 12.6-V output voltage range
10-A switch current
Up to 91% efficiency at VIN = 3.3 V, VOUT = 9 V, and IOUT = 3 A
Mode selection between PFM mode and forced PWM mode at light load
1.0-μA current into the VIN pin during shutdown
Resistor-programmable switch peak current limit
Adjustable switching frequency: 200 kHz to 2.2 MHz
Programmable soft start
Output overvoltage protection at 13.2 V
Cycle-by-cycle overcurrent protection
Thermal shutdown
4.50-mm × 3.50-mm 20-pin VQFN package
Create a custom design using the TPS61088 with the WEBENCH Power Designer

Applications

Portable POS terminal
Bluetooth™ speaker
E-cigarette
Thunderbolt interface
Quick charge power bank

Pin Configuration

Figure 5-1. 20-Pin VQFN With Thermal Pad RHL Package(Top View)

Table 5-1. Pin Functions

	PIN
NAME	NUMBER
VCC	1
EN	2
FSW	3
SW	4, 5, 6, 7
BOOT	8
VIN	9
SS	10
NC	11, 12
MODE	13
VOUT	14, 15, 16
FB	17
COMP	18
ILIM	19
AGND	20
PGND	21

Electrical Characteristics

Minimum and maximum values are at V_IN = 2.7 V to 5.5 V and T_J = -40°C to 125°C. Typical values are at V_IN = 3.6 V and T_J = 25°C

	PARAMETER	TEST CONDITIONS	MIN	TYP	MAX	UNIT
POWER SI	JPPLY
V _IN	Input voltage range		2.7		12	V
/	Undervoltage lockout (UVLO)	V _IN rising			2.7	V
V_{IN_UVLO}	threshold	V _IN falling		2.4	2.5	V
V _{IN_HYS}	VIN UVLO hysteresis			200		mV
V_{CC_UVLO}	UVLO threshold	V _CC falling		2.1		V
	Operating quiescent current from the VIN pin	IC enabled, V_EN = 2 V, no load, R_ILIM = 100 k Ω ,		1	3	μΑ
IQ	Operating quiescent current from the VOUT pin	V_FB = 1.3 V, V_OUT = 12 V, T_J up to 85^°C		110	250	μA
I _SD	Shutdown current into the VIN pin	IC disabled, V_EN = 0 V, no load, no feedback resistor divider connected to the VOUT pin, T_J up to 85°C		1	3	μΑ
V_CC	VCC regulation	I _VCC = 5 mA, V _IN = 8 V		5.8		V
EN AND M	ODE INPUT
V _ENH	EN high threshold voltage	V _CC = 6 V			1.2	V
V _ENL	EN low threshold voltage	V _CC = 6 V	0.4			V
R _EN	EN internal pull-down resistance	V _CC = 6 V		800		kΩ
V _MODEH	MODE high threshold voltage	V _CC = 6 V			4.0	V
V _MODEL	MODE low threshold voltage	V _CC = 6 V	1.5			V
R _MODE	MODE internal pull-up resistance	V _CC = 6 V		800		kΩ
OUTPUT
V _OUT	Output voltage range		4.5		12.6	V
.,		PWM mode	1.186	1.204	1.222
V_REF	Reference voltage at the FB pin	PFM mode		1.212		V
I _{LKG FB}	FB pin leakage current	V _FB = 1.2 V			100	nA
I _SS	Soft-start charging current			5		μA
ERROR AN	MPLIFIER				I
I _SINK	COMP pin sink current	V _FB = V _REF +200 mV, V _COMP = 1.5 V		20		μA
I _SOURCE	COMP pin source current	V _FB = V _REF –200 mV, V _COMP = 1.5 V		20		μA
V _CCLPH	High clamp voltage at the COMP pin	V _FB = 1 V, R _ILIM = 100 kΩ		2.3
V _CCLPL	Low clamp voltage at the COMP pin	V_FB = 1.5 V, R_ILIM = 100 kΩ, MODE pin floating		1.4		V
G _EA	Error amplifier transconductance	V _COMP = 1.5 V		190		μA/V
POWER SV	WITCH
_	High-side MOSFET on-resistance	VCC = 6 V		13	18	mΩ
R _DS(on)	Low-side MOSFET on-resistance	VCC = 6 V		11	16.5	mΩ
CURRENT	LIMIT
	Peak switch current limit in PFM mode	R_ILIM = 100 kΩ , V_CC = 6 V , MODE pin floating	10.6	11.9	13	Α
I _LIM	Peak switch current limit in FPWM mode	R_ILIM = 100 k Ω , V_CC = 6 V, MODE pin short to ground	9.0	10.3	11.4	Α
V _ILIM	Reference voltage at the ILIM pin			1.204		V
	G FREQUENCY
f_{sf SW}	Switching frequency	R _FREQ = 301 kΩ, V _IN = 3.6 V, V _OUT = 12 V		500		kHz
t _{ON min}	Minimum on-time	R_FREQ = 301 kΩ, V_IN = 3.6 V, V_OUT = 12 V		90	180	ns
PROTECTI					.00

Minimum and maximum values are at VIN = 2.7 V to 5.5 V and T^J = -40°C to 125°C. Typical values are at VIN = 3.6 V and T^J = 25°C

	PARAMETER	TEST CONDITIONS	MIN	TYP	MAX	UNIT
VOVP	Output overvoltage protection threshold	VOUT rising	12.7	13.2	13.6	V
VOVP_HYS	Output overvoltage protection hysteresis	VOUT falling below VOVP		0.25		V
	THERMAL SHUTDOWN
TSD	Thermal shutdown threshold	TJ rising		150		°C
TSD_HYS	Thermal shutdown hysteresis	TJ falling below TSD		20		°C

Product Folder Links: TPS61088

Absolute Maximum Ratings

over operating free-air temperature (unless otherwise noted) (1)

		MIN	MAX	UNIT
	BOOT	–0.3	SW + 7
Voltage(2)	VIN, SW, FSW, VOUT	–0.3	14.5
	EN, VCC, SS, COMP, MODE	–0.3	7	V
	ILIM, FB	–0.3	3.6
TJ	Operating junction temperature	–40	150	°C
Tstg	Storage temperature	–65	150	°C

⁽¹⁾ Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)

		MIN	NOM	MAX	UNIT
VIN	Input voltage range	2.7		12	V
VOUT	Output voltage range	4.5		12.6	V
L	Inductance, effective value	0.47	2.2	10	μH
CI	Input capacitance, effective value	10			μF
CO	Output capacitance, effective value	6.8	47	1000	μF
TJ	Operating junction temperature	–40		125	°C

Thermal Information

		TPS61088	TPS61088
	THERMAL METRIC(1)	RHL 20 PINS	RHL 20 PINS
		Standard	EVM
RθJA	Junction-to-ambient thermal resistance	38.8	29.7
RθJC(top)	Junction-to-case (top) thermal resistance	39.8	N/A
RθJB	Junction-to-board thermal resistance	15.5	N/A
ψJT	Junction-to-top characterization parameter	0.6	0.5
ψJB	Junction-to-board characterization parameter	15.5	9.8
RθJC(bot)	Junction-to-case (bottom) thermal resistance	3.1	N/A

⁽¹⁾ For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report, SPRA953.

Product Folder Links: TPS61088

⁽²⁾ All voltage values are with respect to network ground terminal.

⁽²⁾ JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.

Related Variants

The following components are covered by the same datasheet.

Part Number	Manufacturer	Package
TPS61088	Texas Instruments	—
TPS61088-Q1	Texas Instruments	—
TPS61088-Q1.HTML	Texas Instruments	—
TPS61088RHLR	Texas Instruments	VQFN-20-EP(3.6x4.6)
TPS61088RHLR.A	Texas Instruments	—
TPS61088RHLT	Texas Instruments	—

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