ISL88731CHRTZ Intersil, ISL88731CHRTZ Datasheet - Page 10

• Manufacturer Part Number: ISL88731CHRTZ
• Description: IC BATT CHRGR SMBUS LVL2 28TQFN
• Manufacturer: Intersil

Specifications of ISL88731CHRTZ

• 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-WFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical Operating Performance
FIGURE 11. SWITCHING WAVEFORMS AT DIODE EMULATION
FIGURE 15.
PHASE
FIGURE 13. BATTERY REMOVAL
LOAD TRANSIENT RESPONSE
ADAPTER
CURRENT
10
UGATE
CSON/
V BATTERY
BATTERY
CURRENT
INDUCTOR
CURRENT
LGATE
BATTERY
VOLTAGE
CHARGE
CURRENT
SYSTEM
LOAD
DCIN = 20V, 3S2P Li-Battery, T
ISL88731C
FIGURE 16. EFFICIENCY vs CHARGE CURRENT AND BATTERY
100
95
90
85
80
BATTERY
CURRENT
0.0
FIGURE 12. SWITCHING WAVEFORMS IN CC MODE
A
= +25°C, unless otherwise noted
1.0
VOLTAGE
FIGURE 14. BATTERY INSERTION
PHASE
2.0
4.2V BATTERY
8.4V BATTERY
UGATE
12.6V BATTERY
INDUCTOR
CURRENT
3.0
16.8V BATTERY
I
OUT
4.0
(A)
LGATE
5.0
CSON/
V BATTERY
.
(Continued)
6.0
February 8, 2011
7.0
FN6978.2
8.0