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BQ40Z50-R2 数据表(PDF) 4 Page - Texas Instruments

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部件名 BQ40Z50-R2
功能描述  1-Series, 2-Series, 3-Series, and 4-Series Li-Ion Battery Pack Manager
PDF  51 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

BQ40Z50-R2 数据表(HTML) 4 Page - Texas Instruments

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bq40z50-R2
SLUSCS4 – JUNE 2017
www.ti.com
Product Folder Links: bq40z50-R2
Submit Documentation Feedback
Copyright © 2017, Texas Instruments Incorporated
Pin Functions (continued)
PIN NUMBER
PIN NAME
TYPE
DESCRIPTION
6
SRN
I
Analog input pin connected to the internal coulomb counter peripheral for
integrating a small voltage between SRP and SRN where SRP is the top of
the sense resistor.
7
NC
—
Not internally connected
8
SRP
I
Analog input pin connected to the internal coulomb counter peripheral for
integrating a small voltage between SRP and SRN where SRP is the top of
the sense resistor.
9
VSS
P
Device ground
10
TS1
IA
Temperature sensor 1 thermistor input pin
11
TS2
IA
Temperature sensor 2 thermistor input pin
12
TS3
IA
Temperature sensor 3 thermistor input pin
13
TS4
IA
Temperature sensor 4 thermistor input pin
14
NC
—
Not internally connected
15
BTP_INT
O
Battery Trip Point (BTP) interrupt output
16
PRES or SHUTDN
I
Host system present input for removable battery pack or emergency system
shutdown input for embedded pack. A pullup is not required for this pin.
17
DISP
—
Display control for LEDs
18
SMBD
I/OD
SMBus data pin
19
SMBC
I/OD
SMBus clock pin
20
LEDCNTLA
—
LED display segment that drives the external LEDs depending on the
firmware configuration
21
LEDCNTLB
—
LED display segment that drives the external LEDs depending on the
firmware configuration
22
LEDCNTLC
—
LED display segment that drives the external LEDs depending on the
firmware configuration
23
PTC
IA
Safety PTC thermistor input pin. To disable, connect both PTC and PTCEN
to VSS.
24
PTCEN
IA
Safety PTC thermistor enable input pin. Connect to BAT. To disable, connect
both PTC and PTCEN to VSS.
25
FUSE
O
Fuse drive output pin. Connect to VSS if not used.
26
VCC
P
Secondary power supply input
27
PACK
IA
Pack sense input pin
28
DSG
O
NMOS Discharge FET drive output pin
29
NC
—
Not internally connected
30
PCHG
O
PMOS Precharge FET drive output pin
31
CHG
O
NMOS Charge FET drive output pin
32
BAT
P
Primary power supply input pin



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