Specification	BQ27505YZGT-J3

Battery Chemistry	Lithium Ion
Function	Battery Monitor
Interface	I2C
Mounting Type	Surface Mount
Number of Cells	1
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Package / Case	12-UFBGA, DSBGA
Supplier Device Package	12-DSBGA

BQ27505-J3 Series

System-side Impedance Track™; fuel gauge with FW v2.29

Part	Supplier Device Package	Interface	Operating Temperature [Max]	Operating Temperature [Min]	Mounting Type	Battery Chemistry	Function	Number of Cells	Package / Case	Type	Primary Attributes	Utilized IC / Part	Supplied Contents
Texas Instruments BQ27505YZGT-J5	12-DSBGA	I2C	85 °C	-40 °C	Surface Mount	Lithium Ion	Battery Monitor	1	12-UFBGA DSBGA
Texas Instruments BQ27505EVM							Battery Gauge			Power Management	Li-Ion (1 Cell)	BQ27505	Board(s) Cable(s)
Texas Instruments BQ27505YZGT-J3	12-DSBGA	I2C	85 °C	-40 °C	Surface Mount	Lithium Ion	Battery Monitor	1	12-UFBGA DSBGA
Texas Instruments BQ27505YZGT-J4	12-DSBGA	I2C	85 °C	-40 °C	Surface Mount	Lithium Ion	Battery Monitor	1	12-UFBGA DSBGA
Texas Instruments BQ27505YZGR-J1	12-DSBGA	I2C	85 °C	-40 °C	Surface Mount	Lithium Ion	Battery Monitor	1	12-UFBGA DSBGA
Texas Instruments BQ27505YZGT-J1	12-DSBGA	I2C	85 °C	-40 °C	Surface Mount	Lithium Ion	Battery Monitor	1	12-UFBGA DSBGA
Texas Instruments BQ27505YZGR-J3	12-DSBGA	I2C	85 °C	-40 °C	Surface Mount	Lithium Ion	Battery Monitor	1	12-UFBGA DSBGA
Texas Instruments BQ27505YZGR-J5	12-DSBGA	I2C	85 °C	-40 °C	Surface Mount	Lithium Ion	Battery Monitor	1	12-UFBGA DSBGA
Texas Instruments BQ27505YZGR-J2	12-DSBGA	I2C	85 °C	-40 °C	Surface Mount	Lithium Ion	Battery Monitor	1	12-UFBGA DSBGA

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 8.77
		10	$ 7.93
		25	$ 7.56
		100	$ 6.56
	Digi-Reel®	1	$ 8.77
		10	$ 7.93
		25	$ 7.56
		100	$ 6.56
	Tape & Reel (TR)	250	$ 4.56
Texas Instruments	SMALL T&R	1	$ 6.72
		100	$ 5.47
		250	$ 4.30
		1000	$ 3.65

Description

General part information

BQ27505-J3 Series

The Texas Instruments bq27505-J5 system-side Li-Ion battery fuel gauge is a microcontroller peripheral that provides fuel gauging for single-cell Li-Ion battery packs. The device requires little system micro-controller firmware development. The bq27505-J5 resides on the system’s main board and manages an embedded battery (nonremovable) or a removable battery pack.

The bq27505-J5 uses the patented Impedance Track algorithm for fuel gauging, and provides information such as remaining battery capacity (mAh), state-of-charge (%), run-time to empty (min), battery voltage (mV), temperature (°C) and state of health(%).

Battery fuel gauging with the bq27505-J5 requires only PACK+ (P+), PACK– (P–), and Thermistor (T) connections to a removable battery pack or embedded battery circuit. The CSP option is a 12-ball package in the dimensions of 2.43mm × 1.96mm with 0.5mm lead pitch. It is ideal for space constrained applications.