Texas Instruments BQ2419X I²C Controlled 4.5A Single Cell USB / Adaptor Charger Evaluation Module BQ24195LEVM-193 BQ24195LEVM-193 Datenbogen
Produktcode
BQ24195LEVM-193
SLUSB97 – OCTOBER 2012
I
2
C Registers
Address: 6BH. REG00-07 support Read and Write. REG08-0A are read only.
Input Source Control Register REG00 (default 00110000, or 30)
BIT
DESCRIPTION
Bit 7
EN_HIZ
0 – Disable, 1 – Enable
Default: Disable (0)
Input Voltage Limit
Bit 6
VINDPM[3]
640mV
Offset 3.88V, Range: 3.88V-5.08V
Default: 4.36V (0110)
Default: 4.36V (0110)
Bit 5
VINDPM[2]
320mV
Bit 4
VINDPM[1]
160mV
Bit 3
VINDPM[0]
80mV
Input Current Limit (Actual input current limit is the lower of I
2
C and ILIM)
Bit 2
IINLIM[2]
000 – 100mA, 001 – 150mA, 010 – 500mA,
Default SDP: 100mA (000)(OTG pin=0) or 500mA (010)
011 – 900mA, 100 – 1.2A, 101 – 1.5A,
(OTG pin=1)
Bit 1
IINLIM[1]
110 – 2A, 111 – 3A
Default DCP/CDP: 1.5A (101)
Bit 0
IINLIM[0]
Power-On Configuration Register REG01 (default 00011011, or 1B)
BIT
DESCRIPTION
NOTE
Bit 7
Register Reset
0 – Keep current register setting,
Default: Keep current register setting (0)
Back to 0 after register reset
Back to 0 after register reset
1 – Reset to default
Bit 6
I
2
C Watchdog
0 – Normal ; 1 – Reset
Default: Normal (0)
Timer Reset
Back to 0 after timer reset
Charger Configuration
Bit 5
CHG_CONFIG[1]
00 – Charge Disable, 01 – Charge Battery,
Default: Charge Battery (01)
10/11 – OTG
Bit 4
CHG_CONFIG[0]
Minimum System Voltage Limit
Bit 3
SYS_MIN[2]
0.4V
Offset: 3.0V, Range 3.0V-3.7V
Default: 3.5V (101)
Default: 3.5V (101)
Bit 2
SYS_MIN[1]
0.2V
Bit 1
SYS_MIN[0]
0.1V
Bit 0
Reserved
1 - Reserved
Charge Current Control Register REG02 (default 01100000, or 60)
BIT
DESCRIPTION
NOTE
Fast Charge Current Limit
Bit 7
ICHG[5]
2048mA
Offset: 512mA
Range: 512-4544mA (bq24195)
Range: 512-4544mA (bq24195)
Bit 6
ICHG[4]
1024mA
Range: 512-2496mA (bq24195L)
Bit 5
ICHG[3]
512mA
Default: 2048mA (011000)
Bit 4
ICHG[2]
256mA
Bit 3
ICHG[1]
128mA
Bit 2
ICHG[0]
64mA
Bit 1
Reserved
0 - Reserved
Bit 0
FORCE_20PCT
0 – ICHG as REG02[7:2] programmed
Default: ICHG as REG02[7:2] programmed (0)
1 – ICHG as 20% of REG02[7:2] programmed
14
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