Texas Instruments BQ2419X I²C Controlled 4.5A Single Cell USB / Adaptor Charger Evaluation Module BQ24195EVM-193 BQ24195EVM-193 데이터 시트
제품 코드
BQ24195EVM-193
SLUSB97 – OCTOBER 2012
Pre-Charge/Termination Current Control Register REG 03 (default 00010001, or 11)
BIT
DESCRIPTION
NOTE
Pre-Charge Current Limit
Bit 7
IPRECHG[3]
1024mA
Offset: 128mA,
Range: 128mA – 2048mA
Range: 128mA – 2048mA
Bit 6
IPRECHG[2]
512mA
Default: 256mA (0001)
Bit 5
IPRECHG[1]
256mA
Bit 4
IPRECHG[0]
128mA
Termination Current Limit
Bit 3
ITERM[3]
1024mA
Offset: 128mA
Range: 128mA – 2048mA
Range: 128mA – 2048mA
Bit 2
ITERM[2]
512mA
Default: 256mA (0001)
Bit 1
ITERM[1]
256mA
Bit 0
ITERM[0]
128mA
Charge Voltage Control Register REG04 (default 10110010, or B2)
BIT
DESCRIPTION
NOTE
Charge Voltage Limit
Bit 7
VREG[5]
512mV
Offset: 3.504V
Range: 3.504V – 4.400V (111000)
Range: 3.504V – 4.400V (111000)
Bit 6
VREG[4]
256mV
Default: 4.208V (101100)
Bit 5
VREG[3]
128mV
Bit 4
VREG[2]
64mV
Bit 3
VREG[1]
32mV
Bit 2
VREG[0]
16mV
Battery Precharge to Fast Charge Threshold
Bit 1
BATLOWV
0 – 2.8V, 1 – 3.0V
Default: 3.0V (1)
Battery Recharge Threshold (below battery regulation voltage)
Bit 0
VRECHG
0 – 100mV, 1 – 300mV
Default: 100mV (0)
Charge Termination/Timer Control Register REG05 (default 10011010, or 9A)
BIT
DESCRIPTION
NOTE
Charging Termination Enable
Bit 7
EN_TERM
0 – Disable, 1 – Enable
Default: Enable termination (1)
Termination Indicator Threshold
Bit 6
TERM_STAT
0 – Match ITERM,
Default Match ITERM (0)
1 – STAT pin high before actual termination
when charge current below 800 mA
when charge current below 800 mA
I2C Watchdog Timer Setting
Bit 5
WATCHDOG[1]
00 – Disable timer, 01 – 40s, 10 – 80s, 11 –
Default: 40s (01)
160s
Bit 4
WATCHDOG[0]
Charging Safety Timer Enable
Bit 3
EN_TIMER
0 – Disable, 1 – Enable
Default: Enable (1)
Fast Charge Timer Setting
Bit 2
CHG_TIMER[1]
00 – 5 hrs, 01 – 8 hrs, 10 – 12 hrs, 11 – 20
Default: 8hours (01)
hrs
(See Charging Safety Timer for details)
Bit 1
CHG_TIMER[0]
Bit 0
Reserved
0 - Reserved
Copyright © 2012, Texas Instruments Incorporated
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