BQ24273 Datasheet, PDF (19/27 Pages) Texas Instruments – 2.5A, Single Input, Single Cell Switchmode Li-Ion Battery Charger with Integrated Current Sense

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Vender/Part/Revision Register (READ only)
Memory location: 04, Reset state: 0100 0000
BIT
B7(MSB)
B6
B5
B4
B3
B2
B1
B0(LSB)
NAME
Vender2
Vender1
Vender0
PN1
PN0
Read/Write
Read only
Read only
Read only
Read only
Read only
Revision2
Revision1
Revision0
Read only
Read only
Read only
FUNCTION
Vender Code: bit 2 (default 0)
Vender Code: bit 1 (default 1)
Vender Code: bit 0 (default 0)
For I2C Address 6Bh:
00: bq24273
01 – 11: Future product spins
000: Revision 1.0
001:Revision 1.1
010: Revision 2.0
100: Revision 2.2
101: Revision 2.3
110-111: Future Revisions
Battery Termination/Fast Charge Current Register (READ/WRITE)
Memory location: 05, Reset state: 0011 1110
BIT
NAME
Read/Write FUNCTION
B7(MSB)
B6
B5
B4
B3
B2
B1
B0(LSB)
I_CHRG4
I_CHRG3
I_CHRG2
I_CHRG1
I_CHRG0
I_TERM2
I_TERM1
I_TERM0
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Charge current: 1200 mA – (default 0)
Charge current: 600 mA— (default 0)
Charge current: 300 mA—(default 1)
Charge current: 150 mA— (default 1)
Charge current: 75 mA (default 0)
Termination current sense voltage: 200 mA (default 0)
Termination current sense voltage: 100 mA (default 1)
Termination current sense voltage: 50 mA (default 0)
• Charge current sense offset is 550mA and default charge current is 1000mA
• Termination threshold offset is 50mA and default termination current is 150mA
V_IN-DPM Voltage/ DPPM Status Register
Memory location: 06, Reset state: xx00 0000
BIT
NAME
Read/Write FUNCTION
B7(MSB) NA
Read Only NA
B6
DPM_STATUS Read Only 1 – V_IN-DPM mode is active
0 – V_IN-DPM mode is not active
B5
NA
Read/Write NA
B4
NA
Read/Write NA
B3
NA
Read/Write NA
B2
B1
B0(LSB)
V_INDPM2(IN)
V_INDPM1(IN)
V_INDPM0(IN)
Read/Write
Read/Write
Read/Write
IN input V_IN-DPM voltage: 320 mV (default 0)
IN input V_IN-DPM voltage: 160 mV (default 0)
IN input V_IN-DPM voltage: 80 mV (default 0)
• V_IN-DPM voltage offset is 4.20 V and default V_IN-DPM threshold is 4.20 V.
bq24273
SLUSB08 – JUNE 2012
Copyright © 2012, Texas Instruments Incorporated
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