DRV8800_12 Datasheet, PDF (9/27 Pages) Texas Instruments – DMOS FULL-BRIDGE MOTOR DRIVERS

DRV8800
DRV8801
www.ti.com
SLVS855F – JULY 2008 – REVISED JANUARY 2012
ELECTRICAL CHARACTERISTICS
over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
IBB
Motor supply current
f_PWM < 50 kHz
Charge pump on, Outputs disabled
Sleep mode
V_IH
V_IL
V_IH
V_IL
I_IH
I_IL
I_IH
I_IL
I_IH
I_IL
V_OL
VBBNFR
PHASE, ENABLE,
MODE input voltage
nSLEEP input voltage
PHASE, MODE input current
ENABLE input current
nSLEEP input current
nFAULT output voltage
VBB nFAULT release
V_IN = 2 V
V_IN = 0.8 V
V_IN = 2 V
V_IN = 0.8 V
V_IN = 2.7 V
V_IN = 0.8 V
I_sink = 1 mA
8 V < VBB < 40 V
V_IHys
R_ds(ON)
VTRP
Input hysteresis, except nSLEEP
Output ON resistance
RSENSE/ISense voltage trip
Source driver, I_OUT = –2.8 A, T_J = 25°C
Source driver, I_OUT = –2.8 A, T_J = 125°C
Sink driver, I_OUT = 2.8 A, T_J = 25°C
Sink driver, I_OUT = 2.8 A, T_J = 125°C
SENSE connected to ground through some
resistance
V_f
Body diode forward voltage
Source diode, I_f = –2.8 A
Sink diode, I_f = 2.8 A
t_pd
Propagation delay time
PWM, Change to source or sink ON
PWM, Change to source or sink OFF
t_COD
DAGain
Crossover delay
Differential AMP gain
Sense = 0.1 V to 0.4 V
Protection Circuitry
VUV
UVLO threshold
VBB increasing
IOCP
Overcurrent threshold
t_OCP
TJW
Overcurrent protection period
Thermal warning temperature
Temperature increasing
TJWHys Thermal warning hysteresis
Recovery = TJW – TJWHys
TJTSD Thermal shutdown temperature Temperature increasing
TJTSDHys Thermal shutdown hysteresis
Recovery = TJTSD – TJTSDHys
MIN TYP
6
3.2
2
2.7
<1.0
–20 ≤–2.0
40
16
27
<1
12
100 500
0.48
0.74
0.35
0.52
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
0.85
Ω
0.7
mV
1.4
V
1.4
ns
ns
V/V
6.5
3
1.2
160
15
175
15
7.5 V
A
ms
°C
°C
°C
°C
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