DRV8312_14 Datasheet, PDF (7/36 Pages) Texas Instruments – Three Phase PWM Motor Driver

DRV8312
DRV8332
www.ti.com
SLES256D – MAY 2010 – REVISED JANUARY 2014
ELECTRICAL CHARACTERISTICS
T_A = 25 °C, PVDD = 50 V, GVDD = VDD = 12 V, f_Sw = 400 kHz, unless otherwise noted. All performance is in accordance
with recommended operating conditions unless otherwise specified.
PARAMETER
Internal Voltage Regulator and Current Consumption
V_REG
Voltage regulator, only used as a reference node
I_VDD
VDD supply current
I_{GVDD_X}
Gate supply current per half-bridge
I_{PVDD_X}
Output Stage
R_DS(on)
V_F
t_R
t_F
t_{PD_ON}
t_{PD_OFF}
t_DT
I/O Protection
V_uvp,G
V_uvp,hyst ⁽¹⁾
OTW ⁽¹⁾
OTW_hyst ⁽¹⁾
OTSD ⁽¹⁾
OTE-
OTW_differential ⁽¹⁾
OTSD_HYST ⁽¹⁾
I_OC
Half-bridge X (A, B, or C) idle current
MOSFET drain-to-source resistance, low side (LS)
MOSFET drain-to-source resistance, high side (HS)
Diode forward voltage drop
Output rise time
Output fall time
Propagation delay when FET is on
Propagation delay when FET is off
Dead time between HS and LS FETs
Gate supply voltage GVDD_X undervoltage
protection threshold
Hysteresis for gate supply undervoltage event
Overtemperature warning
Hysteresis temperature to reset OTW event
Overtemperature shut down
OTE-OTW overtemperature detect temperature
difference
Hysteresis temperature for FAULT to be released
following an OTSD event
Overcurrent limit protection
I_OCT
Overcurrent response time
Static Digital Specifications
V_IH
High-level input voltage
V_IH
High-level input voltage
V_IL
Low-level input voltage
l_lkg
OTW / FAULT
R_{INT_PU}
Input leakage current
Internal pullup resistance, OTW to VREG, FAULT to
VREG
V_OH
High-level output voltage
V_OL
Low-level output voltage
TEST CONDITIONS
VDD = 12 V
Idle, reset mode
Operating, 50% duty cycle
Reset mode
Operating, 50% duty cycle
Reset mode
T_J = 25°C, GVDD = 12 V
T_J = 25°C, GVDD = 12 V
T_J = 25°C - 125°C, I_O = 5 A
Resistive load, I_O = 5 A
Resistive load, I_O = 5 A
Resistive load, I_O = 5 A
Resistive load, I_O = 5 A
Resistive load, I_O = 5 A
Resistor—programmable, nominal, R_OCP = 27 kΩ
Time from application of short condition to Hi-Z of
affected FET(s)
PWM_A, PWM_B, PWM_C, M1, M2, M3
RESET_A, RESET_B, RESET_C
PWM_A, PWM_B, PWM_C, M1, M2, M3,
RESET_A, RESET_B, RESET_C
Internal pullup resistor only
External pullup of 4.7 kΩ to 5 V
I_O = 4 mA
MIN TYP MAX UNIT
2.95 3.3 3.65 V
9 12 mA
10.5
1.7 2.5 mA
8
0.7
1 mA
80
mΩ
80
mΩ
1
V
14
ns
14
ns
38
ns
38
ns
5.5
ns
8.5
V
0.8
V
115 125 135 °C
25
°C
150
°C
25
°C
25
°C
9.7
A
250
ns
2
2
-100
3.6 V
3.6 V
0.8 V
100 μA
20 26 35 kΩ
2.95 3.3 3.65
V
4.5
5
0.2 0.4 V
(1) Specified by design
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