BQ24075RGTR TI Battery Charger IC - QFN-16 Package

BQ24075RGTR Battery Charger IC is a highly integrated 1.5A single-cell Li-Ion/Li-Polymer battery charger and power-path management IC from Texas Instruments. It is designed for USB-powered and adapter-powered portable devices, providing simultaneous battery charging and system power management. The IC features dynamic power path management (DPPM), programmable charging current, USB-compliant input current limiting, battery temperature monitoring, safety timers, and comprehensive protection features. The BQ24075 variant includes a SYSOFF function for battery disconnect and a regulated 5.5V system output.

BQ24075RGTR Battery Charger IC Datasheet

Features:

1. USB-Compliant Single-Cell Li-Ion/Li-Polymer Battery Charger
2. Integrated Power Path Management (DPPM)
3. Supports USB and AC Adapter Inputs
4. Programmable Charging Current up to 1.5A
5. Programmable Input Current Limit
6. 5.5V Regulated System Output
7. Battery Disconnect Function (SYSOFF)
8. Dynamic Power Path Management (DPPM)
9. Input Dynamic Power Management (VIN-DPM)
10. Three-Phase Charging (Pre-charge, Constant Current, Constant Voltage)
11. Programmable Safety Timers
12. Integrated Thermal Regulation
13. Battery Temperature Monitoring (NTC Input)
14. Automatic Recharge Function
15. Charge Status and Power Good Outputs
16. Reverse Current Protection
17. Input Overvoltage Protection
18. Short-Circuit Protection
19. Thermal Shutdown Protection
20. Small QFN-16 Package
21. RoHS Compliant

Specifications:

Parameter	Value
Product Type	Single-Cell Li-Ion Battery Charger IC
Part Number	BQ24075RGTR
Package	QFN-16 (RGT)
Battery Chemistry	Li-Ion / Li-Polymer
Input Voltage Range	4.35V – 6.4V (Operating)
Maximum Input Voltage	28V
Regulated System Output	5.5V
Battery Regulation Voltage	4.20V ±1%
Maximum Charge Current	1.5A
Input Current Limit	100mA, 500mA or Programmable up to 1.5A
Charging Algorithm	Pre-charge / CC / CV
Fast Charge Current	Programmable (300mA – 1.5A)
Pre-charge Threshold	3.0V (Typ.)
Recharge Threshold	100mV Below Regulation Voltage
Standby Current	50µA (Typ.)
Sleep Current	6.5µA (Typ.)
Operating Temperature	-40°C to +125°C
Mounting Type	Surface Mount
Package Size	3mm × 3mm
RoHS Compliance	Yes

Pin Configuration:

Pin	Name	Description
1	TS	Battery Temperature Sense Input
2	BAT	Battery Connection
3	BAT	Battery Connection
4	CE	Charge Enable (Active Low)
5	EN2	Input Current Selection
6	EN1	Input Current Selection
7	PGOOD	Power Good Output
8	VSS	Ground
9	CHG	Charge Status Output
10	OUT	System Output
11	OUT	System Output
12	ILIM	Input Current Limit Programming
13	IN	Power Input
14	TMR	Safety Timer Programming
15	SYSOFF	Battery Disconnect / System Off
16	ISET	Charge Current Programming

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Package Includes:

1 × BQ24075RGTR Battery Charger IC - QFN-16 Package