BC3770 Datasheet, PDF (34/45 Pages) Freescale Semiconductor, Inc – 2.0 A Switch-Mode Charger

5.5.5.12 CHGCTRL3: Charger Control Register 3
Address (hex)
0B
Bit
7:4
3:0
Mode
R/W
Name
BATREG
WEAKBAT
Reset
0100
1100
Reset Condition:
VSYS V_{SYS_UVLO}
Reset: 0x4C
Description
Program the battery regulation voltage on BATREG in 25 mV steps
0x0: 4.100 V
0x1: 4.125 V
0x2: 4.150 V
0x3: 4.175 V
0x4: 4.200 V
0x5: 4.225 V
0x6: 4.250 V
0x7: 4.275 V
0x8: 4.300 V
0x9: 4.325 V
0xA: 4.350 V
0xB: 4.375 V
0xC: 4.400 V
0xD: 4.425 V
0xE: 4.450 V
0xF: 4.475 V
Program the weak battery voltage threshold in 50 mV steps
0x0: 3.00 V
0x1: 3.05V
0x2: 3.10 V
0x3: 3.15 V
0x4: 3.20 V
0x5: 3.25 V
0x6: 3.30 V
0x7: 3.35 V
0x8: 3.40 V
0x9: 3.45 V
0xA: 3.50 V
0xB: 3.55 V
0xC: 3.60 V
0xD: 3.65 V
0xE: 3.70 V
0xF: 3.75 V
Analog Integrated Circuit Device Data
Freescale Semiconductor
BC3770
34