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4 Device Comparison Table
PART NUMBER
BQ77307
BQ77307xy
(1)
PRODUCT PREVIEW
5 Pin Configuration and Functions
PIN
NO.
NAME
1
VC4
2
VC3
1
VC2
2
VC1
3
VC0
6
SRP
7
SRN
8
TS
9
DSG
10
CHG
11
VSS
12
SCL
13
SDA
14
ALERT
Copyright © 2023 Texas Instruments Incorporated
BQ77307xy DEVICE FAMILY
(1)
Figure 5-1. BQ77307 Pinout
Table 5-1. BQ77307 Pin Functions
I/O
TYPE
I
IA
Sense voltage input pin for the fourth cell from the bottom of the stack
I
IA
Sense voltage input pin for the third cell from the bottom of the stack
I
IA
Sense voltage input pin for the second cell from the bottom of the stack
I
IA
Sense voltage input pin for the first cell from the bottom of the stack
Sense voltage input pin for negative terminal of the first cell from the bottom of stack
I
IA
and functions as wakeup from SHUTDOWN
Analog input pin connected to the internal current protection subsystem, which detects
I
IA
a voltage between SRP and SRN, where SRP is the top of the sense resistor. A
charging current generates a positive voltage at SRP relative to SRN.
Analog input pin connected to the internal current protection subsystem, which detects
I
IA
a small voltage between SRP and SRN, where SRN is the bottom of the sense resistor.
A charging current generates a positive voltage at SRP relative to SRN.
I/O
I/OA
Thermistor input and functions as wakeup from SHUTDOWN
O
OA
NMOS Discharge FET drive output pin
O
OA
NMOS Charge FET drive output pin
—
P
Device ground
2
I/O
I/OD
I
C serial communication bus clock
2
I/O
I/OD
I
C serial communication bus data
O
OD
Digital interrupt output pin
Product Folder Links:
CELL COUNT SUPPORTED
7
2–7
DESCRIPTION
BQ77307
BQ77307
SLUSF60 – DECEMBER 2023
REGOUT STATUS
Enabled, 3.3 V
1.8 V–5.0 V
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