ISL6251AHAZ-T Intersil, ISL6251AHAZ-T Datasheet - Page 10

• Manufacturer Part Number: ISL6251AHAZ-T
• Description: IC BATTERY CHARGER CTRLR 24-QSOP
• Manufacturer: Intersil

Specifications of ISL6251AHAZ-T

• Function: Charge Management
• Battery Type: Li-Ion, Li-Pol, NiMH
• Voltage - Supply: 7 V ~ 25 V
• Operating Temperature: -10°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: 24-QSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

VREF
Trickle Charge
FIGURE 12. ISL6251, ISL6251A TYPICAL APPLICATION CIRCUIT WITH FIXED CHARGING PARAMETERS
To Host
Controller
20k 1%
R12
CHARGE
CHARGE
ENABLE
ENABLE
2.6A CHARGE LIMIT
253mA Trickle Charge
1.87k
R6:10k
AC ADAPTER
R13
10
1%
Q3
3.3V
C6:6.8nF
FLOATING
FLOATING
4.2V/CELL
4.2V/CELL
C7
C7
1µF
R5
100k
10.2k
C5:10nF
130k
130k
1%
1%
R8
R11
R9
1%
R10
4.7Ω
C9
1µF
D3
ACSET
VDDP
VDD
ACPRN
ICOMP
VCOMP
VADJ
EN
CHLIM
ACLIM
VREF
DCIN
DCIN
ACSET
VDDP
VDD
ACPRN
ICOMP
VCOMP
VADJ
EN
CHLIM
ACLIM
VREF
ISL6251A
0.1µF
ISL6251
ISL6251, ISL6251A
C8
ISL6251A
ISL6251
UGATE
PHASE
LGATE
CELLS
PGND
CSON
BOOT
CSOP
UGATE
PHASE
LGATE
CELLS
CSIN
CSIP
BOOT
PGND
CSON
CSOP
GND
CSIN
CSIP
ICM
GND
ICM
D4
R7: 100Ω
C4
0.1µF
C3
1µF
C2
0.1µF
D2
VDD
4 CELLS
18Ω
VDDP
R3
Q2
R4
2.2Ω
C11
3300pF
Q1
Q1
R2
20mΩ
10µF
C1
Optional
D1
SYSTEM LOAD
C10
10µF
R1
40mΩ
L
10µH
BAT+
BAT-
Battery
Pack
May 10, 2006
FN9202.2