Datasheet
Table Of Contents
- FEATURES
- APPLICATIONS
- DESCRIPTION
- TYPICAL APPLICATION
- ABSOLUTE MAXIMUM RATINGS
- RECOMMENDED OPERATING CONDITIONS
- DISSIPATION RATINGS
- ELECTRICAL CHARACTERISTICS
- TYPICAL OPERATING CHARACTERISTICS
- DEVICE INFORMATION
- FUNCTIONAL DESCRIPTIONS
- BATTERY CHARGER
- Autononous Power Source Selection
- Battery Pre-Conditioning
- Battery Charge Current
- Battery Voltage Regulation
- Charge Taper Detection, Termination and Regharge
- Sleep Mode for Charger
- Operation Modes
- Status Outputs
- PG Output (Power Good)
- CE Input (Charge Enable)
- Thermal Shutdown and Protection
- TImer Fault Recovery
- DC-DC CONVERTER
- BATTERY CHARGER
- APPLICATION INFORMATION
- ADJUSTABLE OUTPUT VOLTAGE VERSION (bq25015)
- FIXED OUTPUT VOLTAGE VERSION (bq25017)
- INPUT CAPACITOR SELECTION
- CHARGER OUTPUT CAPACITOR (DC-DC CONVERTER INPUT CAPACITOR) SELECTION
- DC-DC CONVERTER OUTPUT CAPACITOR SELECTION
- DC-DC CONVERTER OUTPUT INDUCTOR SELECTION
- CHARGING WHILE UNDER LOAD
- THERMAL CONSIDERATIONS
- PCB LAYOUT CONSIDERATIONS

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bq25015
bq25017
SLUS721A – DECEMBER 2006 – REVISED MARCH 2007
TYPICAL OPERATING CHARACTERISTICS (continued)
LOAD TRANSIENT, 3 mA TO 300 mA, LOAD TRANSIENT, 3 mA TO 300 mA,
Vbat = 3.7 V, Vo = 1.8 V Vbat = 3.7 V, Vo = 1.8 V
FPWM = HIGH, FORCE PWM FPWM = LOW, POWER SAVE MODE
Figure 6. Figure 7.
LIGHT LOAD WAVEFORM, Vbat = 3.7 V, Vo = 1.8 V LIGHT LOAD WAVEFORM, Vbat = 3.7 V, Vo = 1.8 V
LOAD CURRENT = 36 mA, LOAD CURRENT = 36 mA,
FPWM = HIGH, FORCE PWM FPWM = LOW, FORCE PWM
Figure 8. Figure 9.
START-UP AND SHUT-DOWN, Vbat = 3.7 V, Vo = 1.8 V START-UP AND SHUT-DOWN, Vbat = 3.7 V, Vo = 1.8 V
LOAD CURRENT = 300 mA, LOAD CURRENT = 300 mA,
FPWM = HIGH, FORCE PWM FPWM = LOW, POWER SAVE MODE
Figure 10. Figure 11.
7
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