S-8239A Series
www.ablicinc.com
© ABLIC Inc., 2013-2016
OVERCURRENT MONITORING IC
FOR MULTI-SERIAL-CELL PACK
Rev.1.4
_04
The S-8239A Series is an overcurrent monitoring IC for multi-serial-cell pack including high-accuracy voltage detection
circuits and delay circuits.
The S-8239A Series is suitable for protection of lithium-ion / lithium polymer rechargeable battery packs from overcurrent.
Features
Built-in high-accuracy voltage detection circuit
*1
0.04 V to 0.30 V (10 mV step)
Accuracy
15
mV
Overcurrent 1 detection voltage
Overcurrent 2 detection voltage
0.1 V to 0.7 V (100 mV step)
Accuracy
100
mV
Overcurrent 3 detection voltage
1.2 V (Fixed)
Accuracy
300
mV
Built-in three-step overcurrent detection circuit: Overcurrent 1, overcurrent 2, overcurrent 3
Overcurrent 3 detection function is selectable: Available, unavailable
UVLO (under voltage lock out) function
UVLO detection voltage
2.0 V (Fixed)
Accuracy
100
mV
High-withstand voltage:
VM pin, DO pin: Absolute maximum rating 28 V
Delay times are generated only by an internal circuit (External capacitors are unnecessary).
Low current consumption
During normal operation:
7.0
A
max.
During UVLO operation:
6.0
A
max.
Output logic:
Active "L", Active "H"
Wide operation temperature range:
Ta =
40C
to
85C
Lead-free (Sn 100%), halogen-free
*1.
Overcurrent 1 detection voltage
0.06 V should be satisfied in the case of overcurrent 2 detection voltage = 0.1 V.
Overcurrent 1 detection voltage
0.85overcurrent 2 detection voltage0.05 V should be satisfied in the case of
overcurrent 2 detection voltage
0.2 V.
Applications
Lithium-ion rechargeable battery pack
Lithium polymer rechargeable battery pack
Package
SOT-23-6
1
OVERCURRENT MONITORING IC FOR MULTI-SERIAL-CELL PACK
S-8239A Series
Block Diagram
DP
Rev.1.4
_04
VDD
UVLO detection
comparator
DO
Delay circuit
output control circuit
VM
R
VMS
Overcurrent latch
comparator
Overcurrent 1
detection comparator
Overcurrent 2
detection comparator
VSS
Overcurrent 3
detection comparator
VINI
Remark
All the diodes shown in the figure are parasitic diodes.
Figure 1
2
Rev.1.4
_04
OVERCURRENT MONITORING IC FOR MULTI-SERIAL-CELL PACK
S-8239A Series
Product Name Structure
1. Product name
S-8239A xx
-
M6T1
U
Environmental code
U: Lead-free (Sn 100%), halogen-free
Package abbreviation and IC packing specifications
*1
M6T1: SOT-23-6, Tape
Serial code
*2
Sequentially set from AA to ZZ
*1.
Refer to the tape drawing.
*2.
Refer to "3.
Product name list".
2. Package
Table 1 Package Drawing Codes
Package Name
SOT-23-6
Dimension
MP006-A-P-SD
Tape
MP006-A-C-SD
Reel
MP006-A-R-SD
3. Product name list
Table 2
Overcurrent 1
Detection
Voltage
[V
DIOV1
]
Overcurrent 2
Detection
Voltage
[V
DIOV2
]
Overcurrent 1
Detection
Delay Time
[t
DIOV1
]
Overcurrent 2
Detection
Delay Time
[t
DIOV2
]
Overcurrent 3
Detection
Function
Product Name
Output Logic
S-8239AAA-M6T1U
0.08 V
0.4 V
1150 ms
1.12 ms
Unavailable
Active "L"
Active "L"
S-8239AAB-M6T1U
0.10 V
0.5 V
1150 ms
0.28 ms
Unavailable
Active "L"
S-8239AAC-M6T1U
0.10 V
0.3 V
18.0 ms
0.28 ms
Unavailable
Active "L"
S-8239AAD-M6T1U
0.10 V
0.2 V
290 ms
0.56 ms
Unavailable
Active "L"
S-8239AAE-M6T1U
0.10 V
0.7 V
18.0 ms
0.56 ms
Unavailable
Active "L"
S-8239AAF-M6T1U
0.04 V
0.3 V
4600 ms
0.28 ms
Unavailable
Active "L"
S-8239AAG-M6T1U
0.10 V
0.2 V
1150 ms
1.12 ms
Available
Active "L"
S-8239AAH-M6T1U
0.06 V
0.1 V
290 ms
0.56 ms
Unavailable
Active "L"
S-8239AAI-M6T1U
0.10 V
0.3 V
290 ms
0.28 ms
Unavailable
S-8239AAJ-M6T1U
0.11 V
0.3 V
4600 ms
2.24 ms
Available
Active "L"
S-8239AAK-M6T1U
0.10 V
0.3 V
290 ms
1.12 ms
Available
Active "H"
Remark
Contact our sales office for the products with detection voltage value other than those specified above.
3
OVERCURRENT MONITORING IC FOR MULTI-SERIAL-CELL PACK
S-8239A Series
Pin Configuration
1. SOT-23-6
Top view
6 5 4
Rev.1.4
_04
Table 3
Pin No.
1
2
3
4
5
6
Symbol
VINI
VM
DO
DP
*1
VDD
VSS
Description
Voltage detection pin between VINI pin and VSS pin
(Overcurrent detection pin)
Overcurrent latch pin
Connection pin of discharge control FET gate
Test pin for delay time measurement
Input pin for positive power supply
Input pin for negative power supply
1 2 3
Figure 2
*1.
The DP pin should be open.
4
Rev.1.4
_04
OVERCURRENT MONITORING IC FOR MULTI-SERIAL-CELL PACK
S-8239A Series
Absolute Maximum Ratings
Table 4
Item
Input voltage between VDD pin and VSS pin
VM pin input voltage
VINI pin input voltage
DO pin output voltage
Power dissipation
Operation ambient temperature
Storage temperature
Symbol
V
DS
V
VM
V
VINI
V
DO
P
D
T
opr
T
stg
Applied pin
VDD
VM
VINI
DO
(Ta =
25C
unless otherwise specified)
Absolute Maximum Rating
Unit
V
SS
0.3 to V
SS
12
V
DD
28 to V
DD
0.3
V
SS
0.3 to V
SS
12
V
SS
0.3 to V
SS
28
650
*1
40
to
85
55
to
125
V
V
V
V
mW
C
C
*1.
When mounted on board
[Mounted board]
(1) Board size:
114.3 mm
76.2 mm
t1.6 mm
(2) Board name:
JEDEC STANDARD51-7
Caution
1. The DP pin should be open.
2. The absolute maximum ratings are rated values exceeding which the product could suffer physical
damage. These values must therefore not be exceeded under any conditions.
700
Power dissipation (P
D
) [mW]
600
500
400
300
200
100
0
0
100
150
50
Ambient temperature (Ta) [C]
Figure 3 Power Dissipation of Package (When Mounted on Board)
5
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