9.6.12 VIN_DPM and Timers Register
Memory location 0x0Bh, Reset State: 0100 0010 (BQ25121A)
Figure 9-22. VIN_DPM and Timers Register
7 (MSB)
6
5
4
3
2
1
0 (LSB)
0
1
0
0
0
0
1
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 9-24. VIN_DPM and Timers Register
Bit
Field
Type
Reset
Description
B7 (MSB) VINDPM_ON
R/W
0
0 - enable VINDPM
1 - disable VINDPM
B6
VINDPM_2
R/W
1
Input V
(IN_DPM)
voltage: 400 mV
B5
VINDPM_1
R/W
0
Input V
(IN_DPM)
voltage: 200 mV
B4
VINDPM_0
R/W
0
Input V
(IN_DPM)
voltage: 100 mV
B3
2XTMR_EN
R/W
0
0 – Timer is not slowed at any time
1 – Timer is slowed by 2x when in any control other than CC or
CV
B2
TMR_1
R/W
0
Safety Timer Time Limit
00 – 30 minute fast charge
01 – 3 hour fast charge
10 – 9 hour fast charge
11 – Disable safety timers
B1
TMR_0
R/W
1
B0 (LSB)
0
The VINDPM threshold is set using the following equation: VINDPM = 4.2 + VINDPM_CODE x 100 mV
SLUSDA7A – APRIL 2018 – REVISED JANUARY 2021
Copyright © 2021 Texas Instruments Incorporated
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