ISL89411 INTERSIL [Intersil Corporation], ISL89411 Datasheet - Page 41

• Manufacturer Part Number: ISL89411
• Description: Intersil Power Management Solutions
• Manufacturer: INTERSIL [Intersil Corporation]

Battery Management
Single Cell Li+/Polymer Battery Chargers
ISL9205B
ISL9205C
ISL9205D
ISL9214A
Device
High Power Li-Ion
Charger W/I-Path
Management
Key Features
• Complete Charger for Single-Cell
• Current Path Management Optimize
• Intelligent Timeout Interval Based on
• 1% Charger Output Voltage Accuracy
• Programmable Input Current Limit
• Programmable Charge Current
• NTC Thermistor Input
• Complies with USB Charger
• Charge Current Thermal Foldback
• Trickle Charge for Fully Discharged
• 26V Maximum Voltage at V
• Power Presence and Charge
• Ambient Temperature Range: -40°C
• 16 Ld 3x3 TQFN Package
Li-ion/Polymer Batteries
for Charge and System Currents
Actual Charge Current
for Thermal Protection
Batteries
Indications
to +85°C
Li-ion Battery
Charger
Li-ion Battery
Charger
Li-ion Battery
Charger
Li-ion/Li-Polymer
Battery Charger
Accepting Two
Power Sources
Description
Device
V
4.256
(typ)
(V)
4.2
4.2
4.2
OUT
Accuracy
Voltage
IN
(%)
0.6
0.6
0.6
1
Pin
(max)
V
(V)
28
IN1
7
7
7
(max)
V
N/A
N/A
N/A
(V)
IN2
7
(max)
I
OUT2
0.38
N/A
N/A
N/A
(A)
Typical Application Circuit
Low Power Path Resistance
Charge Profile
INPUT
Safety
Timer
Y
Y
Y
N
R
C
Intersil Power Management Solutions  2012  www.intersil.com
43
41
39
37
35
33
4.5
3.5
FROM
IREF
1
4
3
3.0
µP
0
Single Cell Li+/Polymer Battery Chargers: ISL9230
R
I
V
LOAD
Termination
ILIM
IN
}
= 0V
= 1A
Self
R
1000
Y
Y
Y
N
TIME
3.2
VIN
CONT
CHGEN
IREF
ILIM
TIME
GND
Power Path Resistance
ISL9230 Charge Profile
IBAT
2000
3.4
Accepts
Adapter
ISL9230
CC
Y
Y
Y
N
VOUT
AC/USB
V
Time (s)
3000
BAT
MODE
VOUT
3.6
VBAT
CHG
NTC
(V)
PG
VBAT
Charge
(% CC)
Trickle
(min)
V
10
10
10
16
IN1
4000
3.8
R
}
D
1
(Max)
1
I
5000
OUT1
FROM µP
(A)
4.0
1
1
1
1
R
2
6000
Indication, Fault, I
Indication, Fault, I
C
4.2
I
Enable, Charge Status,
Indication, Fault, NTC,
REF
2
Programmable I
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
-0.1
Reference Voltage
I
I
MIN
MIN
Enable, Charge
Enable, Charge
Enable, Charge
Set, I
TO SYS
T
Functions
C
Set, Time Set
Set, Time Set
3
(Pin)
BATT
MIN
Set
Set, Time
REF
REF
MIN
Set,
Set,
,
10 Ld DFN
10 Ld DFN
10 Ld DFN
10 Ld DFN
Package
41