ISL6256 INTERSIL [Intersil Corporation], ISL6256 Datasheet - Page 11

• Manufacturer Part Number: ISL6256
• Description: Highly Integrated Battery Charger with Automatic Power Source Selector for Notebook Computers
• Manufacturer: INTERSIL [Intersil Corporation]

Typical Operating Performance
FIGURE 12. SWITCHING WAVEFORMS AT DIODE EMULATION
FIGURE 10. CHARGE ENABLE AND SHUTDOWN
ADAPTER REMOVAL
ADAPTER REMOVAL
ADAPTER REMOVAL
CHLIM = 0.2V
CHLIM=0.2V
CHLIM=0.2V
CSON = 8V
CSON=8V
CSON=8V
FIGURE 14. AC ADAPTER REMOVAL
11
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
DCIN = 20V, 4S2P Li-Battery, T
INDUCTOR
INDUCTOR
INDUCTOR
CURRENT
CURRENT
CURRENT
2A/div
2A/div
2A/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
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
ISL6256, ISL6256A
FIGURE 13. SWITCHING WAVEFORMS IN CC MODE
FIGURE 11. BATTERY INSERTION AND REMOVAL
A
= +25°C, Unless Otherwise Noted. (Continued)
ADAPTER INSERTION
ADAPTER INSERTION
FIGURE 15. AC ADAPTER INSERTION
VCOMP
VCOMP
ICOMP
ICOMP
ADAPTER INSERTION
VCOMP
ICOMP
BATTERY
BATTERY
INSERTION
INSERTION
BATTERY
INSERTION
BATTERY
REMOVAL
BATTERY
BATTERY
REMOVAL
REMOVAL
September 14, 2010
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
INDUCTOR
INDUCTOR
INDUCTOR
CURRENT
CURRENT
CURRENT
2A/div
2A/div
2A/div
BGATE-CSIP
BGATE-CSIP
BGATE-CSIP
2V/div
2V/div
2V/div
CSON
CSON
10V/div
10V/div
INDUCTOR
INDUCTOR
CURRENT
CURRENT
2A/div
2A/div
VCOMP
VCOMP
2V/div
2V/div
ICOMP
ICOMP
2V/div
2V/div
PHASE
PHASE
10V/div
10V/div
UGATE
UGATE
2V/div
2V/div
LGATE
LGATE
2V/div
2V/div
FN6499.3