BQ24010 single-cell linear charger pinout

The BQ24010 charges a 4.2 V lithium-ion or lithium-polymer cell. OUT delivers current to the pack, while the BAT lead senses the pack voltage.

DRC VSON-10

11 contacts Current package

Texas Instruments · 3 × 3 mm nominal VSON with exposed thermal pad.

Top view, with pin 1 on the upper left. The exposed thermal pad is underneath the body.
EP is the exposed center pad on the underside.

Thermal pad · Ground

Solder the exposed pad to the board ground. Connect the VSS lead to the same ground.

Texas Instruments SLUS530K, Device Information and DRC0010J outline

Pin	Signal	Direction	Function
1	IN Supply	Supply	Charge-path input. Tie to VCC.
2	VCC Supply	Supply	Controller supply. Tie to IN.
3	STAT1 Output	Output	Open-collector charge status output 1. Use a pull-up or LED resistor to observe it.
4	STAT2 Output	Output	Open-collector charge status output 2. Interpret together with STAT1.
5	VSS Return	Return	Supply and battery return. Connect to ground along with the exposed pad.
6	ISET Current-setting node	Current-setting node	A resistor to VSS sets the charge-current scale.
7	PG Output	Output	Open-collector power-good output.
8	TS Input	Input	Battery temperature comparator input. For battery operation use the external thermistor network in the data sheet.
9	BAT Input	Input	Battery-voltage sense. Route to the pack positive terminal.
10	OUT Output	Output	Charge current output. Route to pack positive, with a separate sense trace for BAT.
11	EP Thermal pad	Thermal pad	Solder the exposed pad to the board ground. Connect the VSS lead to the same ground.

OUT and BAT meet at the pack. BAT is the feedback sense and OUT supplies the charge current.

These three signals require external pull-ups when used as logic outputs.

Parameter	Limit	Conditions and source
Charge regulation voltage4.2 V nominal	4.2 V nominal	For a single compatible cell. Texas Instruments SLUS530K, Electrical Characteristics
Rated charge-current range50 mA to 1 A	50 mA to 1 A	Current-set factor at the stated battery voltage and input headroom. Texas Instruments SLUS530K, Electrical Characteristics
Temperature input window0.30–0.61 × VCC typical	0.30–0.61 × VCC typical	Charge suspends outside the comparator thresholds. Texas Instruments SLUS530K, Temperature Comparator and Figure 6

The DRC pinout applies to BQ24010. Other bqTINY parts substitute CE or TTE for some of the BQ24010 functions.

BQ24010DRCR: 3 × 3 mm DRC0010J package, −40 to +85 °C catalog operating ambient.
BQ24010DRCR.A: 3 × 3 mm DRC0010J package, −40 to +85 °C catalog operating ambient.

Texas Instruments SLUS530K· Rev. K, January 2014. Device information, current setting, temperature supervision and typical circuit.
Source register· Document revisions, applicable order codes, consulted sections and available file checksums.