BQ27742-G1 Datasheet, PDF (20/46 Pages) Texas Instruments – Single-Cell Li-Ion Battery Fuel Gauge with Programmable Hardware Protection

bq27742-G1
SLUSBV9C – MARCH 2014 – REVISED FEBRUARY 2016
www.ti.com
Feature Description (continued)
Table 3. Hardware Overvoltage Protection Configuration
[OVP2]
0
0
0
0
1
1
1
1
Prot OV Config
[OVP1]
0
0
1
1
0
0
1
1
[OVP0]
0
1
0
1
0
1
0
1
OVERVOLTAGE (V_OVP) SETTING
4.275 V
4.300 V
4.325 V
4.350 V
4.375 V
4.400 V
4.425 V
4.450 V (default)
[OCC1]
0
0
1
1
Table 4. Hardware Overcurrent in Charge Configuration
Prot OC Config
[OCC0]
0
1
0
1
OVERCURRENT IN CHARGE (V_OCC) SETTING
6 mV
13 mV
18 mV (default)
28 mV
[OCD1]
0
0
0
0
1
1
1
1
Table 5. Hardware Overcurrent in Discharge Configuration
Prot OC Config
[OCD0]
0
0
1
1
0
0
1
1
[OCD0]
0
1
0
1
0
1
0
1
OVERCURRENT IN DISCHARGE (V_OCD) SETTING
14 mV
24 mV
34 mV (default)
44 mV
53 mV
63 mV
73 mV
83 mV
Table 6. Hardware Short-Circuit in Discharge Configuration
Prot OC Config
[SCD]
0
1
SHORT-CIRCUIT IN DISCHARGE (V_SCD) SETTING
73 mV (default)
148 mV
7.4 Device Functional Modes
7.4.1 Operating Modes
The battery protector has several operating modes depending on a variety of conditions. The various modes are
described below:
• NORMAL Mode
• OVERVOLTAGE Mode
• UNDERVOLTAGE Mode
• OVERCURRENT IN DISCHARGE and SHORT-CIRCUIT IN DISCHARGE Mode
• Overcurrent in Charge Mode
20
Submit Documentation Feedback
Product Folder Links: bq27742-G1
Copyright © 2014–2016, Texas Instruments Incorporated