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DRV8800 Datasheet, PDF (8/20 Pages) Texas Instruments – DMOS FULL-BRIDGE MOTOR DRIVERS
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DRV8800
DRV8801
SLVS855A – JULY 2008 – REVISED JULY 2008 ............................................................................................................................................................... www.ti.com
ELECTRICAL CHARACTERISTICS
over recommended operating conditions (unless otherwise noted)
PARAMETER
IBB
Motor supply current
VIH
VIL
VIH
VIL
IIH
IIL
IIH
IIL
IIH
IIL
VOL
VBBNFR
VIHys
PHASE, ENABLE,
MODE input voltage
nSLEEP input voltage
PHASE, MODE input current 1
ENABLE input current
nSLEEP input current
nFAULT output voltage
VBB nFAULT release
Input hysteresis, except nSLEEP
Rds(ON)
Output ON resistance
VTRP
RSENSE/ISense voltage trip
Vf
Body diode forward voltage 1
tpd
Propagation delay time
tCOD
DAGain
Crossover delay
Differential AMP gain
Protection Circuitry
VUV
UVLO threshold
IOCP
Overcurrent threshold 2
tOCP
TJW
Overcurrent protection period
Thermal warning temperature
TJWHys Thermal warning hysteresis
TJTSD Thermal shutdown temperature
TJTSDHys Thermal shutdown hysteresis
TEST CONDITIONS
fPWM < 50 kHz
Charge pump on, Outputs disabled
Sleep mode
VIN = 2 V
VIN = 0.8 V
VIN = 2 V
VIN = 0.8 V
VIN = 2.7 V
VIN = 0.8 V
Isink = 1 mA
8 V < VBB < 40 V
Source driver, IOUT = –2.8 A, TJ = 25°C
Source driver, IOUT = –2.8 A, TJ = 125°C
Sink driver, IOUT = 2.8 A, TJ = 25°C
Sink driver, IOUT = 2.8 A, TJ = 125°C
SENSE connected to ground through some
resistance
Source diode, If = –2.8 A
Sink diode, If = 2.8 A
PWM, Change to source or sink ON
PWM, Change to source or sink OFF
Sense = 0.1 V to 0.4 V
VBB increasing
Temperature increasing
Recovery = TJW – TJWHys
Temperature increasing
Recovery = TJTSD – TJTSDHys
MIN TYP
6
3.2
2
2.7
<1.0
–20 ≤–2.0
40
16
27
<1
12
100 500
0.35
0.55
0.3
0.45
500
600
100
500
5
MAX UNIT
mA
10 µA
V
0.8
V
0.8
20
µA
20
100
µA
40
50
µA
10
0.4 V
13.8 V
800 mV
0.48
0.8
Ω
0.43
0.7
mV
1.4
V
1.4
ns
ns
V/V
6.5
3
1.2
160
15
175
15
8V
A
ms
°C
°C
°C
°C
8
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