isl6252a Intersil Corporation, isl6252a Datasheet - Page 10

• Manufacturer Part Number: isl6252a
• Description: Highly Integrated Battery Charger Controller For Notebook Computers
• Manufacturer: Intersil Corporation

Typical Operating Performance
FIGURE 14. SWITCHING WAVEFORMS AT DIODE EMULATION
FIGURE 10. CHARGE ENABLE AND SHUTDOWN
CHLIM = 0.2V
CHLIM=0.2V
CHLIM=0.2V
CSON = 8V
CSON=8V
CSON=8V
FIGURE 12. AC ADAPTER REMOVAL
ADAPTER REMOVAL
ADAPTER REMOVAL
ADAPTER REMOVAL
10
DCIN = 20V, 4S2P Li-Battery, T
CSON
CSON
5V/div
5V/div
INDUCTOR
INDUCTOR
CURRENT
CURRENT
2A/div
2A/div
EN
EN
5V/div
5V/div
CHARGE
CHARGE
CURRENT
CURRENT
2A/div
2A/div
SGATE-CSIP
SGATE-CSIP
SGATE-CSIP
2V/div
2V/div
2V/div
SYSTEM BUS
SYSTEM BUS
SYSTEM BUS
VOLTAGE
VOLTAGE
VOLTAGE
10V/div
10V/div
10V/div
BGATE-CSIP
BGATE-CSIP
BGATE-CSIP
2V/div
2V/div
2V/div
PHASE
PHASE
PHASE
10V/div
10V/div
10V/div
INDUCTOR
INDUCTOR
INDUCTOR
CURRENT
CURRENT
CURRENT
1A/div
1A/div
1A/div
UGATE
UGATE
UGATE
5V/div
5V/div
5V/div
INDUCTOR
INDUCTOR
INDUCTOR
CURRENT
CURRENT
CURRENT
2A/div
2A/div
2A/div
ISL6252, ISL6252A
FIGURE 15. SWITCHING WAVEFORMS IN CC MODE
A
FIGURE 11. BATTERY INSERTION AND REMOVAL
= +25°C, Unless Otherwise Noted. (Continued)
FIGURE 13. AC ADAPTER INSERTION
VCOMP
VCOMP
ICOMP
ICOMP
VCOMP
ICOMP
ADAPTER INSERTION
ADAPTER INSERTION
ADAPTER INSERTION
BATTERY
INSERTION
BATTERY
BATTERY
INSERTION
INSERTION
BATTERY
REMOVAL
BATTERY
BATTERY
REMOVAL
REMOVAL
PHASE
PHASE
10V/div
10V/div
July 19, 2007
INDUCTOR
INDUCTOR
CURRENT
CURRENT
2A/div
2A/div
CSON
CSON
10V/div
10V/div
UGATE
UGATE
2V/div
2V/div
VCOMP
VCOMP
2V/div
2V/div
LGATE
LGATE
2V/div
2V/div
SGATE-CSIP
SGATE-CSIP
SGATE-CSIP
2V/div
2V/div
2V/div
ICOMP
ICOMP
2V/div
2V/div
SYSTEM BU
SYSTEM BU
SYSTEM BU
VOLTAGE
VOLTAGE
VOLTAGE
10V/div
10V/div
10V/div
INDUCTOR
INDUCTOR
INDUCTOR
CURRENT
CURRENT
CURRENT
2A/div
2A/div
2A/div
BGATE-CSIP
BGATE-CSIP
BGATE-CSIP
2V/div
2V/div
2V/div
FN6498.1