SPV1040T

Synchronous Step-Up Converter

The SPV1040T is a synchronous step-up converter from STMicroelectronics. View the full SPV1040T datasheet below including key specifications, electrical characteristics.

SPV1040T shares its datasheet with SPV1040, whose page lists every part number it covers.

Official SPV1040T datasheet (PDF) — the source this page was extracted from.

Manufacturer

STMicroelectronics

SPV1040T Key Specifications

Parameter	Value
Fault Protection	Over Current, Over Temperature
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 125°C (TJ)
Package / Case	8-TSSOP (0.173", 4.40mm Width)
Supplier Device Package	8-TSSOP
Input Voltage (Max)	5.5V

SPV1040T Overview

Part: SPV1040 — STMicroelectronics

Type: High efficiency solar battery charger with embedded MPPT

Description: Low power, low voltage, monolithic step-up converter with 0.3 V to 5.5 V input, capable of maximizing energy from solar cells with an embedded MPPT algorithm, up to 1.8 A maximum inductor current, and 95% efficiency.

Operating Conditions:

Supply voltage: 0.3 V to 5.5 V
Operating temperature: -40 to 125 °C
Output voltage range: 2 to 5.2 V

Absolute Maximum Ratings:

Max supply voltage (VOUT): 5.5 V
Max junction operating temperature: 125 °C
Max storage temperature: 150 °C

Key Specs:

N-channel power switch ON resistance: 120 mΩ
P-channel synchronous rectifier ON resistance: 140 mΩ
PWM signal frequency: 100 kHz (Typ.)
Quiescent current: 60 μA (Typ.)
Shutdown current: 0.7 μA (Typ.)
Maximum inductor current peak: 1.8 A (Max.)
Maximum output power: 3 W
Overtemperature threshold for turn OFF: 155 °C (Typ.)

Features:

0.3 V to 5.5 V operating input voltage
140 mΩ internal synchronous rectifier
120 mΩ internal power active switch
100 kHz fixed PWM frequency
Duty cycle controlled by MPPT algorithm
Output voltage regulation, overcurrent and overtemperature protection
Input source reverse polarity protection
Built-in soft-start
Up to 95% efficiency

Applications:

Smart phones and GPS systems
Wireless headsets
Small appliances, sensors
Portable media players
Digital still cameras
Toys and portable healthcare

Package:

TSSOP8 (3x4.4 mm)

SPV1040T Features

0.3 V to 5.5 V operating input voltage
140 mΩ internal synchronous rectifier
120 mΩ internal power active switch
100 kHz fixed PWM frequency
Duty cycle controlled by MPPT algorithm
Output voltage regulation, overcurrent and overtemperature protection
Input source reverse polarity protection
Built-in soft-start
Up to 95% efficiency
TSSOP8 package 3x4.4 mm

SPV1040T Applications

Smart phones and GPS systems
Wireless headsets
Small appliances, sensors
Portable media players
Digital still cameras
Toys and portable healthcare

TSSOP8

SPV1040T Pin Configuration

Table 2: Pin description

Pin	Name	Type	Description
1	MPP-SET	I	Non-inverting input to sense the PV cell voltage. It cannot be left floating.
2	GND	Ground	Power ground reference.
8	XSHUT	I	Shutdown input pin: XSHUT = low, the device in power off mode. XSHUT = high, the device is enabled for operating mode. This pin cannot be left floating.
3	LX	I	Booster inductor connection.
7	ICTRL_PLUS	I	Non-inverting input of constant current control loop. It cannot be left floating.
6	ICTRL_MINUS	I	Inverting input of constant current control loop. It cannot be left floating.
5	VCTRL	I	Inverting input of constant current control loop. It cannot be left floating.
4	VOUT	O	Booster output voltage.

Figure 3: Pin connection top view

Table 2: Pin description

SPV1040T Electrical Characteristics

VMPP-SET = 0.5 V, VCTRL = Ictrl+ = Ictrl- = GND, XSHUT = 0.5 V, TJ = -40 °C to 125 °C, unless otherwise specified.

Table 5: Electrical characteristics

Symbol	Parameter	Test conditions	Min.	Typ.	Max.	Unit
Input source section	Input source section	Input source section	Input source section	Input source section	Input source section	Input source section
V MPP-SET	Low boost voltage threshold	V OUT = 3.3 V	0.4	0.45	0.50	V
I q	Quiescent current	I LOAD = 0 mA, V CTRL = 2 V, V OUT = 3.3 V		60	80
I SD	Shutdown current	V OUT = 3.3 V, V CTRL = 2 V, I LOAD = 0 mA, XSHUT = GND		0.7	5	μA
I rev	Reverse input source current	V MPP-SET = -4 V, V OUT = 1.5 V		1	5
V UVLO	Undervoltage lockout threshold for turn ON @V OUT = 3.3 V	V MPP-SET increasing		0.27	0.34
V UVLO	Undervoltage lockout threshold for turn OFF @V OUT = 3.3 V	V MPP-SET decreasing	0.14	0.24		V
Power section	Power section	Power section	Power section	Power section	Power section	Power section
R DS(on) -N	N-channel power switch ON resistance				120	mΩ
R DS(on) -P	P-channel synchronous rectifier ON resistance	V CTRL = 2 V			140
Control section	Control section	Control section	Control section	Control section	Control section	Control section
V MPPT-THR	MPPT-mode threshold	V OUT increasing, V MPP-SET = 1.5 V	1.7	1.8	2	V
V OUT	Output voltage range	V MPP-SET ≥ 1.5 V	2		5.2 (1)	V
P OUT (2)	Maximum output power	V MPP-SET ≥ 1.5 V			3	W
I LX	Maximum inductor current peak		1.5	1.65	1.8	A
F PWM	PWMsignal frequency		70	100	130	kHz
V REF	Internal V CTRL reference voltage	V OUT ≥ 1.8 V, V CTRL increasing	1.2	1.25	1.3	V
V ICTRL	Sensing current offset	I CTRL+ - I CTRL- decreasing	40	50	60	mV
	XSHUT logic low	XSHUT increasing		0.27	0.34
XSHUT	XSHUT logic High	XSHUT decreasing	0.14	0.24		V

Table 5: Electrical characteristics

Thermal shutdown

SPV1040T Package Information

In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK ® packages, depending on their level of environmental compliance. ECOPACK ® specifications, grade definitions and product status are available at: www.st.com . ECOPACK ® is an ST trademark.

Variants on the same datasheet

These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.

Part Number	Manufacturer	Package
SPV1040	STMicroelectronics	TSSOP-8
SPV1040TTR	STMicroelectronics	TSSOP-8

Other Boost Converters

LM51581 – Texas Instruments, Boost/SEPIC/Flyback Converter
AP5726 – Diodes Incorporated, White LED Step-Up DC/DC Converter
AP5726FDCG-7 – Diodes Incorporated, White LED Step-Up DC/DC Converter
AP5726WG-7 – Diodes Incorporated, White LED Step-Up DC/DC Converter
AP5726WUG-7 – Diodes Incorporated, White LED Step-Up DC/DC Converter
BQ24195 – Texas Instruments, Battery Charger with Boost Converter
BQ24195/L – Texas Instruments, Battery Charger with Boost Converter
BQ24195LRGER – Texas Instruments, Battery Charger with Boost Converter

All Boost Converters datasheets All STMicroelectronics datasheets (808)

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.

Ask your AI agent about the SPV1040T

Connect SheetsData to Claude, Cursor, Codex or any MCP client and your agent reads this datasheet for you: pinout, limits, register maps and design checks, with the numbers taken from the PDF.

claude mcp add --transport http sheetsdata https://mcp.sheetsdata.com/mcp

Then ask: "Can the SPV1040T run from my 12 V rail? Check it against the datasheet limits."

Create a free account $2 of usage every month, no card needed.