ISL88731HRZ-T Intersil, ISL88731HRZ-T Datasheet - Page 7

• Manufacturer Part Number: ISL88731HRZ-T
• Description: IC BATT CHRGR SMBUS LVL2 28-TQFN
• Manufacturer: Intersil

Specifications of ISL88731HRZ-T

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion)
• Voltage - Supply: 8 V ~ 26 V
• Operating Temperature: -10°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical Operating Performance
FIGURE 9. SWITCHING WAVEFORMS AT DIODE EMULATION
FIGURE 13. LOAD TRANSIENT RESPONSE
FIGURE 11. BATTERY REMOVAL
PHASE
ADAPTER
CURRENT
7
UGATE
CSON/
V BATTERY
BATTERY
CURRENT
INDUCTOR
CURRENT
BATTERY
VOLTAGE
CHARGE
CURRENT
DCIN = 20V, 3S2P Li-Battery, T
SYSTEM
LOAD
LGATE
ISL88731
FIGURE 14. EFFICIENCY vs CHARGE CURRENT AND
100
95
90
85
80
75
70
FIGURE 10. SWITCHING WAVEFORMS IN CC MODE
BATTERY
CURRENT
0
A
= +25°C, unless otherwise noted. (Continued)
BATTERY VOLTAGE (EFFICIENCY DCIN = 20V)
FIGURE 12. BATTERY INSERTION
PHASE
8.4V BATTERY
2
12.6V BATTERY
4.2V BATTERY
CHARGE CURRENT (A)
UGATE
INDUCTOR
CURRENT
16.8V BATTERY
4
LGATE
CSON/
V BATTERY
6
February 8, 2011
FN9258.2
8