Product Summary

The BQ29400PW is a BiCMOS secondary protection IC for 2-, 3-, or 4-cell Lithium-Ion battery packs that incorporate a high-accuracy precision over voltage detection circuit. The BQ29400PW includes a programmable delay circuit for over voltage detection time. It has limited built-in ESD protection. The BQ29400PW is used in 2nd Level Protection in Lion Battery Packs in: Notebook PCs, Portable Instrumentation, Medical and Test Equipment.

Parametrics

BQ29400PW absolute maximum ratings: (1)Supply voltage range (VDD): -0.3 V to 28 V; (2)Input voltage range (VC1, VC2, VC3, VC4): -0.3 V to 28 V; (3)Output voltage range: -0.3 V to 28 V; (4)Storage temperature range, Tstg: -65℃ to 150℃; (5)Lead temperature (soldering, 10 sec): 300℃.

Features

BQ29400PW features: (1)2-, 3-, or 4-Cell Secondary Protection; (2)Low Power Consumption ICC < 2 μA [VCELL(ALL) < V(PROTECT)]; (3)High Accuracy Over Sense Voltage: 4.45 V ±25 mV; (4)Prefixed Protection Threshold Voltage; (5)Programmable Delay Time; (6)High Power Supply Ripple Rejection; (7)Stable During Pulse Charge Operation.

Diagrams

BQ29400PW diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
BQ29400PW
BQ29400PW

Texas Instruments

Battery Management 2nd Level Over Vltg Protection

Data Sheet

0-1: $0.80
1-25: $0.71
25-100: $0.42
100-250: $0.41
BQ29400PWR
BQ29400PWR

Texas Instruments

Battery Management 2nd Level Over Vltg Protection

Data Sheet

0-1510: $0.33
1510-2000: $0.32
2000-10000: $0.32