ISL6255A Intersil Corporation, ISL6255A Datasheet - Page 7

• Manufacturer Part Number: ISL6255A
• Description: Highly Integrated Battery Charger With Automatic Power Source Selector For Notebook Computers
• Manufacturer: Intersil Corporation

Typical Operating Performance
FIGURE 7. CHARGE ENABLE AND SHUTDOWN
FIGURE 5. AC AND DC ADAPTER DETECTION
CHLIM=0.2V
CHLIM=0.2V
CSON=8V
CSON=8V
FIGURE 9. AC ADAPTER REMOVAL
7
DCIN = 20V, 4S2P Li-Battery, T
CSON
CSON
5V/div
5V/div
INDUCTOR
INDUCTOR
CURRENT
CURRENT
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
EN
EN
5V/div
5V/div
CHARGE
CHARGE
CURRENT
CURRENT
2A/div
2A/div
ACSET
ACSET
1V/div
1V/div
DCSET
DCSET
1V/div
1V/div
DCIN
DCIN
10V/div
10V/div
DCPRN
DCPRN
5V/div
5V/div
ACPRN
ACPRN
5V/div
5V/div
ISL6255, ISL6255A
FIGURE 8. BATTERY INSERTION AND REMOVAL
A
= 25°C, unless otherwise noted. (Continued)
FIGURE 6. LOAD TRANSIENT RESPONSE
LOAD STEP: 0-4A
CHARGE CURRENT: 3A
AC ADAPTER CURRENT LIMIT: 5.15A
VCOMP
VCOMP
ICOMP
ICOMP
FIGURE 10. AC ADAPTER INSERTION
BATTERY
BATTERY
INSERTION
INSERTION
BATTERY
BATTERY
REMOVAL
REMOVAL
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
BATTERY
VOLTAGE
2V/div
CHARGE
CURRENT
2A/div
ADAPTER
CURRENT
5A/div
LOAD
CURRENT
5A/div
PHASE
PHASE
10V/div
10V/div
May 23, 2006
UGATE
UGATE
2V/div
2V/div
LGATE
LGATE
2V/div
2V/div
FN9203.2