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BQ76907
SLUSE96 – NOVEMBER 2023
Typical values stated where T
to 38.5 V (unless otherwise noted)
PARAMETER
Internal pullup
resistance change
R
(TS_PU_DRIFT)
over temperature
(2)
Internal pullup
resistance change
R
(TS_PU_DRIFT)
over temperature
(2)
(1)
The internal pullup resistance includes only the resistance between the REG18 internal LDO and the point where the voltage is sensed
by the ADC.
(2)
Specified by characterization
6.16 Hardware Overtemperature Detector
Typical values stated where T
to 38.5 V (unless otherwise noted)
PARAMETER
Hardware overtemperature detector
V
(OTSD)
(1)
threshold
(1)
Specified by design
6.17 Internal Oscillator
Typical values stated where T
to 38.5 V (unless otherwise noted)
PARAMETER
Low-frequency Oscillator
f
Operating frequency
LFO
f
LFOF(ERR
Frequency drift, full speed mode
)
f
LFOS(ERR
Frequency drift, low speed mode
)
f
LFOS(ERR
Frequency drift, low speed mode
)
f
Failure detection frequency
LFO(FAIL)
(1)
Specified by characterization
6.18 Charge and Discharge FET Drivers
Typical values stated where T
to 38.5 V (unless otherwise noted)
PARAMETER
V
DSG driver enabled
(FETON_DSG)
V
CHG driver enabled
(FETON_CHG)
V
DSG driver enabled
(FETON_LOBAT_DSG)
16
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= 25°C and V
= 25.9 V, min/max values stated where T
A
BAT
TEST CONDITIONS
Change over -20°C/+65°C vs value at 25°C
(1)
for nominal 20-kΩ
Change over -40°C/+110°C vs value at 25°C
(1)
for nominal 20-kΩ
= 25°C and V
= 25.9 V, min/max values stated where T
A
BAT
= 25°C and V
= 25.9 V, min/max values stated where T
A
BAT
Full speed setting
Low speed setting
Change in frequency vs value at 25°C, T
= –20°C to +65°C
(1)
Change in frequency vs value at 25°C, T
= –40°C to +110°C.
Change in frequency vs value at 25°C, T
(1)
= –20°C to +65°C.
Change in frequency vs value at 25°C, T
(1)
= –40°C to +110°C.
Refers to the LFO frequency if
in low speed mode, or the LFO
frequency divided by 8 if in full speed
mode. Detects oscillator failure if the
frequency falls below this level.
= 25°C and V
= 25.9 V, min/max values stated where T
A
BAT
TEST CONDITIONS
V
≥ 12 V, C
REGSRC
V
≥ 12 V, C
REGSRC
V
< 12 V, C
REGSRC
Product Folder Links:
TEST CONDITIONS
TEST CONDITIONS
A
A
A
A
= 20 nF
L
= 20 nF
L
= 20 nF
L
BQ76907
= -40°C to 110°C and V
A
MIN
TYP
MAX
–36
–53
= -40°C to 110°C and V
A
MIN
TYP
MAX
118
132
= -40°C to 110°C and V
A
MIN
TYP
MAX
262.277
32.770
–1.2
±0.55
–2.1
±1.0
-1.0
±0.33
-1.6
±0.67
11
14.1
= -40°C to 110°C and V
A
MIN
TYP
MAX
10.5
11.5
10
11
V
REGSRC
V
REGSRC
– 1
Copyright © 2023 Texas Instruments Incorporated
www.ti.com
= 3 V
BAT
UNIT
28
Ω
98
Ω
= 3 V
BAT
UNIT
°C
= 3 V
BAT
UNIT
kHz
kHz
1.2
%
2.3
%
1.0
%
1.9
%
18
kHz
= 3 V
BAT
UNIT
13
V
12
V
V
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