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S8233C PDF даташит

Спецификация S8233C изготовлена ​​​​«Seiko Instruments» и имеет функцию, называемую «Battery Protection IC for 3-Serial Cell Pack».

Детали детали

Номер произв S8233C
Описание Battery Protection IC for 3-Serial Cell Pack
Производители Seiko Instruments
логотип Seiko Instruments логотип 

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S8233C Даташит, Описание, Даташиты
Rev.4.0_00
BATTERY PROTECTION IC
FOR 3-SERIAL-CELL PACK
S-8233C Series
The S-8233C Series is a series of lithium-ion rechargeable battery
protection ICs incorporating high-accuracy voltage detection circuits and
delay circuits.
The S-8233C series includes the function to measure the status of
battery pack.
It is suitable for a 3-serial-cell lithium-ion battery pack.
Features
(1) Internal high-accuracy voltage detection circuit
Over charge detection voltage
3.80 ± 0.05 V to 4.40 ± 0.05 V
5 mV - step
Over charge release voltage
3.45 ± 0.10 V to 4.40 ± 0.10 V
5 mV - step
(The over charge release voltage can be selected within the range where a difference from over
charge detection voltage is 0 to 0.35 V at 50 mV - Step)
Over discharge detection voltage
2.00 ± 0.08 V to 2.80± 0.08 V
50 mV - step
Over discharge release voltage
2.00 ± 0.10 V to 4.00± 0.10 V
50 mV - step
(The over discharge release voltage can be selected within the range where a difference from over
discharge detection voltage is 0 to 1.2 V at 50 mV - Step)
Over current detection voltage 1
0.15 ±0.015 V to 0.50 ±0.05 V
50 mV - step
(2) High input-voltage device (absolute maximum rating: 26 V)
(3) Indicates Li-ion battery state.
(4) Wide operating voltage range:
2 V to 24 V
(5) The delay time for every detection can be set via an external capacitor.
(6) Three over current detection levels (protection for short-circuiting)
(7) Internal charge/discharge prohibition circuit via the control terminal
(8) The function for charging batteries from 0 V is available.
(9) Low current consumption
Operation
50 µA max. (+25 °C)
Power-down
0.1 µA max. (+25 °C)
(10) Lead-free products
Applications
Lithium-ion rechargeable battery packs
Package
Package Name
16-Pin TSSOP
Package
FT016-A
Drawing Code
Tape
FT016-A
Seiko Instruments Inc.
Reel
FT016-A
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S8233C Даташит, Описание, Даташиты
BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK
S-8233C Series
Block Diagram
Rev.4.0_00
VCC
CSO
Over
charge
VC1
ISO
Over
current
VC2
Reference
voltage 1
+
-
Battery 1
Over charge
+
-
Battery 1
Over discharge
+
-
Battery 2
Over charge
+
Control
Logic
-
Battery 2
Over discharge
Reference
voltage 2
Over current
2,3 delay
circuit
Over current
detection
circuit
Over current1
delay circuit
Over discharge
delay circuit
Over charge
delay circuit
VMP
COVT
CDT
CCT
DOP
DSO
Over
discharge
VSS
+
-
Battery 3
Over charge
+
-
Battery 3
Over discharge
Reference
voltage 3
COP
Floating
detection circuit
CTL
Figure 1
The delay time for over current detection 2 and 3 is fixed by an internal IC circuit. The delay time cannot
be changed via an external capacitor.
If one of the battery voltages becomes higher than the over charge detection voltage (VCU), the CSO
terminal goes high.
If one of the battery voltages becomes lower than the over discharge detection voltage (VDD), the DSO
terminal goes high.
If S-8233C series detect over current, the ISO terminal goes high.
In normal state each terminal output Low.
2 Seiko Instruments Inc.









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S8233C Даташит, Описание, Даташиты
Rev.4.0_00
BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK
S-8233C Series
Product Name Structure
1. Product name
S8233C x FT TB G
*1. Refer to the taping specifications.
IC direction in tape specifications*1
Package name (abbreviation)
FT: 16-Pin TSSOP
Serial code
Assigned from A to Z in alphabetical order
2. Product name list
Table1
Model/Item
S-8233CAFT-TB-G
Over charge Over charge Over discharge
detection release voltage detection
voltage
voltage
(VCU)
(VCD)
(VDD)
4.25±0.05 V 4.05±0.10 V 2.00±0.08 V
Over discharge
release voltage
(VDU)
2.30±0.10 V
Over current
detection
voltage1
(VIOV1)
0.25±0.025 V
0V battery charging
function
Remark Please contact the SII marketing department for the products with the detection voltage value other
than those specified above.
Seiko Instruments Inc.
3










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