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

部件名 BQ40Z50-R2
功能描述  BQ40Z50-R2 1-Series, 2-Series, 3-Series, and 4-Series Li-Ion Battery Pack Manager
PDF  55 Pages
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制造商  TI2 [Texas Instruments]
网页  https://www.ti.com
标志 TI2 - Texas Instruments

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

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Table 6-1. 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. It is okay to leave floating or to tie to VSS.
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. Connect to thermistor-1. If not
used, connect directly to VSS and configure data flash accordingly.
11
TS2
IA
Temperature sensor 2 thermistor input pin. Connect to thermistor-2. If not
used, connect directly to VSS and configure data flash accordingly.
12
TS3
IA
Temperature sensor 3 thermistor input pin. Connect to thermistor-3. If not
used, connect directly to VSS and configure data flash accordingly.
13
TS4
IA
Temperature sensor 4 thermistor input pin. Connect to thermistor-4. If not
used, connect directly to VSS and configure data flash accordingly.
14
NC
—
Not internally connected. It is okay to leave floating or to tie to VSS.
15
BTP_INT
O
Battery Trip Point (BTP) interrupt output. If not used, connect directly to VSS.
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. If not
used, connect directly to VSS.
17
DISP
—
Display control for LEDs. If not used, connect directly to VSS.
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. If LEDs are not used, these pins can be left floating or
connected to VSS through a 20-kΩ resistor.
21
LEDCNTLB
—
LED display segment that drives the external LEDs depending on the
firmware configuration. If LEDs are not used, these pins can be left floating or
connected to VSS through a 20-kΩ resistor.
22
LEDCNTLC
—
LED display segment that drives the external LEDs depending on the
firmware configuration. If LEDs are not used, these pins can be left floating or
connected to VSS through a 20-kΩ resistor.
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. If not used, connect directly to VSS.
26
VCC
P
Secondary power supply input
27
PACK
IA
Pack sense input pin
28
DSG
O
NMOS Discharge FET drive output pin. If not used, it can be left floating or
connected to VSS through a 20-kΩ resistor.
29
NC
—
Not internally connected. It is okay to leave floating or to tie to VSS.
30
PCHG
O
PMOS Precharge FET drive output pin. If not used, it can be left floating or
connected to VSS through a 20-kΩ resistor.
31
CHG
O
NMOS Charge FET drive output pin. If not used, it can be left floating or
connected to VSS through a 20-kΩ resistor.
32
BAT
P
Primary power supply input pin
(1)
P = Power Connection, O = Digital Output, AI = Analog Input, I = Digital Input, I/OD = Digital Input/Output
BQ40Z50-R2
SLUSCS4C – JUNE 2017 – REVISED APRIL 2021
www.ti.com
4
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Product Folder Links: BQ40Z50-R2



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