Datasheet

DRV8837, DRV8838
www.ti.com SLVSBA4C –JUNE 2012–REVISED FEBRUARY 2014
6.5 Electrical Characteristics
T
A
= 25°C, over recommended operating conditions unless otherwise noted
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
POWER SUPPLIES (VM, VCC)
VM VM operating voltage 0 11 V
VM = 5 V; VCC = 3 V;
40 100 μA
No PWM
I
VM
VM operating supply current
VM = 5 V; VCC = 3 V;
0.8 1.5 mA
50 kHz PWM
VM = 5 V; VCC = 3 V;
I
VMQ
VM sleep mode supply current 30 95 nA
nSLEEP = 0
VCC VCC operating voltage 1.8 7 V
VM = 5 V; VCC = 3 V;
300 500 μA
No PWM
I
VCC
VCC operating supply current
VM = 5 V; VCC = 3 V;
0.7 1.5 mA
50 kHz PWM
VM = 5 V; VCC = 3 V;
I
VCCQ
VCC sleep mode supply current 5 25 nA
nSLEEP = 0
CONTROL INPUTS (IN1/PH, IN2/EN, nSLEEP)
V
IL
Input logic low voltage 0.25 × VCC 0.38 × VCC V
V
IH
Input logic high voltage 0.46 × VCC 0.5 × VCC V
V
HYS
Input logic hysteresis 0.08 × VCC mV
I
IL
Input logic low current V
IN
= 0 V –5 5 μA
V
IN
= 3.3 V 50 μA
I
IH
Input logic high current
V
IN
= 3.3 V, DRV8838 nSLEEP pin 60 μA
100 kΩ
R
PD
Pulldown resistance
DRV8838 nSLEEP pin 55 kΩ
MOTOR DRIVER OUTPUTS (OUT1, OUT2)
VM = 5 V; VCC = 3 V;
R
DS(ON)
HS + LS FET on-resistance 280 330 mΩ
I
O
= 800 mA; T
J
= 25°C
I
OFF
Off-state leakage current V
OUT
= 0 V –200 200 nA
PROTECTION CIRCUITS
VCC falling 1.7 V
V
UVLO
VCC undervoltage lockout
VCC rising 1.8
I
OCP
Overcurrent protection trip level 1.9 3.5 A
t
DEG
Overcurrent deglitch time 1 μs
t
RETRY
Overcurrent retry time 1 ms
T
TSD
Thermal shutdown temperature Die temperature T
J
150 160 180 °C
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