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- Vendor: Texas Instruments
Texas Instruments - BQ27520YZFR-G4
5 Complete reels of 3000pcs each available
Price is per reel of 3000units
1.00USD per device
Description for the BQ27520-G4
The Texas Instruments BQ27520-G4 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 microcontroller firmware development. The fuel gauge resides on the main board of the system and manages an embedded battery (non-removable) or a removable battery pack.
The fuel gauge 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 (minimum), battery voltage (mV), temperature (°C), and state of health (%).
Battery fuel gauging requires only PACK+ (P+), PACK– (P–), and optional Thermistor (T) connections to a removable battery pack or embedded battery circuit. The device uses a 15-ball NanoFree™ (DSBGA) package in the nominal dimensions of 2610 × 1956 µm with 0.5-mm lead pitch. It is ideal for space-constrained applications.
Features for the BQ27520-G4
- Single-series cell Li-ion battery fuel gauge resides on system board
- Integrated 2.5 VDC LDO
- External low-value 10-mΩ sense resistor
- Patented Impedance Track™technology
- Adjusts for battery aging, self-discharge, temperature, and rate changes
- Reports remaining capacity, state-of-charge (SOC), and time-to-empty
- Optional smoothing filter
- Battery state-of-health (aging) estimation
- Supports embedded or removable packs with up to 14500-mAhcapacity
- Accommodates pack swapping with twoseparate battery profiles
- Microcontroller peripheral supports
- 400-kHz I2C serial interface
- 32 bytes of scratch-pad FLASH NVM
- Battery low digital output warning
- Configurable SOC interrupts
- External thermistor, internal sensor, or host-reported temperature options
- Tiny 15-pin, 2610 × 1956 µm, 0.5-mm pitch NanoFree™ (DSBGA) package
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Texas Instruments - BQ27520YZFR-G4