BQ29700 — Battery Protection IC
The BQ29700 from Texas Instruments is a high-performance single-cell Li-ion/Li-polymer battery protection IC. Featuring standard protections such as Overcharge, Over-discharge, Charge overcurrent, Discharge overcurrent, and Load short-circuit protections, it ensures the safety and longevity of battery-powered devices.
Key Features:
Wide input voltage range: 0.3V to 12V
Minimal external components required
FET drive for high-current measurement
Fault detection for various scenarios
Zero voltage charging for depleted batteries
Factory-programmed fault protection
Wide operating temperature range: -40°C to +85°C
Compact 6-pin DSE package measuring 1.5x1.5x0.75mm
Pinout Configuration:
NC (No Connection)
COUT (Gate Drive Output for Charge FET)
DOUT (Gate Drive Output for Discharge FET)
VSS (Ground pin)
BAT (VDD pin)
V– (Input pin for charger negative voltage)
Equivalents and Alternatives:
For pin-to-pin replacements, alternatives within the BQ29700 family include BQ29701, BQ29702, BQ29703, BQ29704, and BQ29705. Alternatives from other manufacturers include DW01, AP9101CAK6-ANTRG1, and FS312F.
Applications:
The BQ29700 finds applications in a wide range of devices, including tablet PCs, mobile handsets, and handheld data terminals.
With its compact design, comprehensive protections, and minimal external component requirement, the BQ29700 offers a reliable solution for battery protection in various electronic devices. Its versatility and performance make it a preferred choice for engineers designing battery-powered products.
You can download the datasheet from the following link: https://components101.com/sites/default/files/component_datasheet/bq2970-datasheet.pdf
