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PS700 데이터시트(PDF) 3 Page - Microchip Technology

부품명 PS700
상세설명  Battery Monitor
PDF  38 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PS700 데이터시트(HTML) 3 Page - Microchip Technology

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 2004 Microchip Technology Inc.
DS21760F-page 3
PS700
FIGURE 1-2:
APPLICATION SCHEMATIC – PS700-BASED BATTERY PACK
TABLE 1-1:
PIN DESCRIPTIONS
R15
1.0K
R3
221K
R4
680
R5
680
VCELL1
2
VCELL2
1
NTC
6
SR
8
GND
7
SMB-CLK
3
SMB-DTA
4
ROSC
5
U1
PS700
R11
470
VR
V1
NTC1
NTC2
PACK CONNECTION
CELL POSITIVE (+)
CELL NEGATIVE (-)
THERMISTOR CONNECTIONS
B+
C
D
B-
R8
0.020
C11
100 nF
C1
100 nF
R7
6.49K
D1
CMSZDA5V6
CONNECTION
GROUND PLANE
C3
1.0 nF
3
2
6
7
Q1
SI6880EDQ
VDD
2
VSS
3
VM
1
U2
S8241A
Pin No.
Pin Name
Description
1
VC2/IO1
Cell input connection for lowest cell in a 2-cell series Li Ion pack. Can also be
configured as an open-drain general purpose input/output.
2
VC1
Cell input connection for highest cell in a 2-cell series Li Ion pack. Connects to the
positive terminal of 1-cell series packs. VC1 serves as the power supply input for the
PS700.
3
SCL
SMBus/I2C clock line connection.
4
SDA
SMBus/I2C data line connection.
5ROSC
External bias resistor.
6
NTC/IO0
Input for an external temperature sensor using a 103ETB-type thermistor. Can also
be configured as a general purpose input/output pin.
7
GND
Analog and digital ground.
8
SR
Current measurement A/D input from positive side of the current sense resistor.



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