BQ29400 Datasheet, PDF (5/10 Pages) Texas Instruments – VOLTAGE PROTECTION FOR 2-, 3-, OR 4-CELL Lion BATTERIES

www.ti.com
bq29400, bq29400A
bq29401, bq29405
SLUS568B – JULY 2003 – REVISED NOVEMBER 2004
V_(PROTECT)
Cell Voltage
(VCn - VC(n-1),
VC4 - GND)
CD
OUT
1.2 V
t_DELAY
t_d = (1.2 V x C_DELAY)/I_CD
Figure 2. Timing for Overvoltage Sensing
V_(PROTECT) - V_hys
5