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S-8205BAF-TCT1U の電気的特性と機能

S-8205BAF-TCT1UのメーカーはSeikoです、この部品の機能は「BATTERY PROTECTION IC」です。


製品の詳細 ( Datasheet PDF )

部品番号 S-8205BAF-TCT1U
部品説明 BATTERY PROTECTION IC
メーカ Seiko
ロゴ Seiko ロゴ 




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S-8205BAF-TCT1U Datasheet, S-8205BAF-TCT1U PDF,ピン配置, 機能
S-8205A/B Series
www.sii-ic.com
© Seiko Instruments Inc., 2010-2013
BATTERY PROTECTION IC
FOR 4-SERIES OR 5-SERIES CELL PACK
Rev.1.5_01
The S-8205A/B Series includes high-accuracy voltage detection circuits and delay circuits, in single use, makes it possible
for users to monitor the status of 4-series or 5-series cell lithium-ion rechargeable battery.
The S-8205A/B Series is suitable for protecting lithium-ion rechargeable battery pack from overcharge, overdischarge, and
overcurrent.
„ Features
High-accuracy voltage detection function for each cell
Overcharge detection voltage n (n = 1 to 5)
3.55 V to 4.40 V*1 (50 mV step)
Overcharge release voltage n (n = 1 to 5)
3.30 V to 4.40 V*2
Overdischarge detection voltage n (n = 1 to 5)
2.0 V to 3.2 V*1 (100 mV step)
Overdischarge release voltage n (n = 1 to 5)
2.0 V to 3.4 V*3
Accuracy ±25 mV
Accuracy ±50 mV
Accuracy ±80 mV
Accuracy ±100 mV
Discharge overcurrent detection in 2-step
Discharge overcurrent detection voltage
Short circuit detection voltage
0.05 V to 0.30 V*4 (50 mV step)
0.50 V to 1.0 V*4 (100 mV step)
Accuracy ±15 mV
Accuracy ±100 mV
Charge overcurrent detection
Charge overcurrent detection voltage
0.30 V to 0.05 V (50 mV step) Accuracy ±30 mV
Settable by external capacitor; Overcharge detection delay time, Overdischarge detection delay time, Discharge
overcurrent detection delay time, Charge overcurrent detection delay time
(Load short circuit detection delay time is internally fixed.)
S-8205A Series: used for 4-series cell, S-8205B Series: used for 5-series cell
Independent charging and discharge control by the control pins
Power-down function "yes" / "no" is selectable.
High-withstand voltage element
Absolute maximum rating : 28 V
Wide range of operation voltage
2 V to 24 V
Wide range of operation temperature
Ta = 40°C to +85°C
Low current consumption
During operation
40 μA max. (Ta = +25°C)
During power-down
Lead-free (Sn 100%), halogen-free*5
0.1 μA max. (Ta = +25°C)
*1. The overcharge detection voltage n (n = 1 to 5) and overdischarge detection voltage (n = 1 to 5) are not selectable
if the voltage difference between them is 0.6 V or less.
*2. Overcharge hysteresis voltage n (n = 1 to 5) is selectable in 0 V, or in 0.1 V to 0.4 V in 50 mV step.
(Overcharge hysteresis voltage = Overcharge detection voltage Overcharge release voltage)
*3. Overdischarge hysteresis voltage n (n = 1 to 5) is selectable in 0 V, or in 0.2 V to 0.7 V in 100 mV step.
(Overdischarge hysteresis voltage = Overdischarge release voltage Overdischarge detection voltage)
*4. The discharge overcurrent detection voltage and load short circuit detection voltage are not selectable if the voltage
difference between them is 0.3 V or less.
*5. Refer to "„ Product Name Structure" for details.
„ Application
Rechargeable lithium-ion battery pack
„ Package
16-Pin TSSOP
Seiko Instruments Inc.
1

1 Page





S-8205BAF-TCT1U pdf, ピン配列
Rev.1.5_01
BATTERY PROTECTION IC FOR 4-SERIES OR 5-SERIES CELL PACK
S-8205A/B Series
2. S-8205B Series
VM
CO
DO
VINI
CTLC
CTLD
CCT
CDT
RVMD
Control circuit
RVMS
Delay circuit
Delay circuit
Delay circuit
+
Discharge
+ overcurrent
Load
short circuit
+
Charge
overcurrent
RCTLC
Delay circuit
Delay circuit
Overcharge 1
Over- +
discharge 1+
Overcharge 2
Over-
+
discharge 2 +
Overcharge 3
Over-
+
discharge 3 +
Overcharge 4
Over-
+
discharge 4 +
Overcharge 5
Over-
+
discharge 5
+
RCTLD
Remark Diodes in the figure are parasitic diodes.
Figure 2
Seiko Instruments Inc.
VDD
VC1
VC2
VC3
VC4
VC5
VSS
CIT
3


3Pages


S-8205BAF-TCT1U 電子部品, 半導体
BATTERY PROTECTION IC FOR 4-SERIES OR 5-SERIES CELL PACK
S-8205A/B Series
„ Pin Configuration
Rev.1.5_01
1 16
2 15
3 14
4 13
5 12
6 11
7 10
89
Figure 3
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Symbol
VM
CO
DO
VINI
CTLC
CTLD
CCT
CDT
CIT
VSS
VC5
VC4
VC3
VC2
VC1
VDD
Table 4
Description
Pin for voltage detection between VSS pin and VM pin
FET gate connection pin for charge control (Pch open-drain output)
Pin for voltage detection between VSS pin and CO pin
FET gate connection pin for discharge control FET (CMOS output)
Pin for voltage detection between VSS pin and VINI pin
Control pin for charge FET
Control pin for discharge FET
Capacitor connection pin for delay for overcharge detection voltage
Capacitor connection pin for delay for overdischarge detection voltage
Capacitor connection pin for delay for discharge overcurrent detection,
charge overcurrent detection
Input pin for negative power supply,
Connection pin for battery 5's negative voltage
Connection pin for battery 4's negative voltage,
Connection pin for battery 5's positive voltage
Connection pin for battery 3's negative voltage,
Connection pin for battery 4's positive voltage
Connection pin for battery 2's negative voltage,
Connection pin for battery 3's positive voltage
Connection pin for battery 1's negative voltage,
Connection pin for battery 2's positive voltage
Connection pin for battery 1's positive voltage
Input pin for positive power supply,
Connection pin for battery 1's positive voltage
6 Seiko Instruments Inc.

6 Page



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部品番号部品説明メーカ
S-8205BAF-TCT1U

BATTERY PROTECTION IC

Seiko
Seiko


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