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DRV8837EVM Datasheet, PDF (5/14 Pages) Texas Instruments – LOW-VOLTAGE H-BRIDGE IC
◁
DRV8837
www.ti.com
RECOMMENDED OPERATING CONDITIONS
over operating free-air temperature range (unless otherwise noted)
VCC
VM
IOUT
fPWM
VIN
Device power supply voltage range
Motor power-supply voltage range
H-bridge output current(1)
Externally applied PWM frequency
Logic-level input voltage
(1) Power dissipation and thermal limits must be observed.
ELECTRICAL CHARACTERISTICS
TA = 25°C, VM = 5 V, VCC = 3 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
Power Supplies
IVM
VM operating supply current
IVMQ
VM sleep-mode supply current
IVCC
VCC operating supply current
IVCQ
VCC sleep-mode supply current
VUVLO
VCC undervoltage lockout voltage
Logic-Level Inputs
VM = 5 V, VCC = 3 V, no PWM
VM = 5 V, VCC = 3 V, 50-kHz PWM
VM = 5 V, VCC = 3 V, SLEEP = 0 V
VM = 5 V, VCC = 3 V, no PWM
VM = 5 V, VCC = 3 V, 50-kHz PWM
VM = 5 V, VCC = 3 V, SLEEP = 0 V
VCC rising
VCC falling
VIL
Input low voltage
VIH
Input high voltage
VHYS
Input hysteresis
IIL
Input low current
IIH
Input high current
RPD
Pulldown resistance
H-Bridge FETs
VIN = 0 V
VIN = 3.3 V
rds(on)
HS + LS FET on-resistance
IOFF
Off-state leakage current
Protection Circuits
VCC = 3 V, VM = 5 V, IO = 800 mA,
TJ = 25°C
VOUT = 0 V
IOCP
Overcurrent protection trip level
tOCR
OCP retry time
tTSD
Thermal shutdown temperature
Die temperature
TIMING REQUIREMENTS
TA = 25°C, VM = 5 V, VCC = 3 V, RL = 20 Ω
1
t1
2
t2
3
t3
4
t4
5
t5
6
t6
Output enable time
Output disable time
Delay time, INx high to OUTx high
Delay time, INx low to OUTx low
Output rise time
Output fall time
SLVSBA4A – JUNE 2012 – REVISED AUGUST 2012
MIN
NOM
MAX UNIT
1.8
7
V
1.8
11
V
0
1.8
A
0
250
kHz
0
5.5
V
MIN
TYP
MAX UNIT
40
100
µA
0.8
1.5 mA
30
95
nA
300
500
µA
0.7
1.5 mA
5
25
nA
1.8
V
1.7
0.25 VCC 0.38 VCC
V
0.46 VCC 0.5 VCC
V
0.08 VCC
V
–5
5
µA
50
µA
100
kΩ
280
330 mΩ
±200
nA
1.9
3.5
A
1
ms
150
160
180
ºC
MIN MAX UNIT
120 ns
120 ns
120 ns
120 ns
50
150 ns
50
150 ns
Copyright © 2012, Texas Instruments Incorporated
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