DRV8312_14 Datasheet, PDF (3/36 Pages) Texas Instruments – Three Phase PWM Motor Driver

DRV8312
DRV8332
www.ti.com
SLES256D – MAY 2010 – REVISED JANUARY 2014
RECOMMENDED OPERATING CONDITIONS
MIN NOM MAX UNIT
PVDD_X Half bridge X (A, B, or C) DC supply voltage
0
50 52.5
V
GVDD_X Supply for logic regulators and gate-drive circuitry
10.8
12 13.2
V
VDD
Digital regulator supply voltage
10.8
12 13.2
V
I_{O_PULSE}
I_O
F_SW
R_{OCP_CBC}
R_{OCP_OCL}
C_BST
t_{ON_MIN}
T_A
Pulsed peak current per output pin (could be limited by thermal)
Continuous current per output pin (DRV8332)
PWM switching frequency
OC programming resistor range in cycle-by-cycle current limit modes
OC programming resistor range in OC latching shutdown modes
Bootstrap capacitor range
Minimum PWM pulse duration, low side, for charging the Bootstrap capacitor
Operating ambient temperature
15 A
8A
500 kHz
22
200 kΩ
19
200 kΩ
33
220 nF
50
ns
-40
85 ⁽¹⁾
°C
(1) Depending on power dissipation and heat-sinking, the DRV8312/32 can support ambient temperature in excess of 85°C. Refer to the
package heat dissipation ratings table and package power deratings table.
PACKAGE HEAT DISSIPATION RATINGS
PARAMETER
R_θJC, junction-to-case (power pad / heat slug)
thermal resistance
R_θJA, junction-to-ambient thermal resistance
Exposed power pad / heat slug area
DRV8312
1.1 °C/W
25 °C/W
34 mm²
DRV8332
0.9 °C/W
This device is not intended to be used
without a heatsink. Therefore, R_θJA is not
specified. See the Thermal Information
section.
80 mm²
PACKAGE POWER DERATINGS (DRV8312)⁽¹⁾
PACKAGE
T_A = 25°C
POWER
RATING
DERATING
FACTOR
ABOVE T_A =
25°C
T_A = 70°C POWER
RATING
44-PIN TSSOP (DDW)
5.0 W
40.0 mW/°C
3.2 W
T_A = 85°C POWER
RATING
2.6 W
T_A = 125°C POWER
RATING
1.0 W
(1) Based on EVM board layout
MODE SELECTION PINS
MODE PINS
M3
M2
M1
1
0
0
1
0
1
0
x
x
1
1
x
OUTPUT
CONFIGURATION
1 3PH or 3 HB
1 3PH or 3 HB
DESCRIPTION
Three-phase or three half bridges with cycle-by-cycle current limit
Three-phase or three half bridges with OC latching shutdown (no cycle-by-
cycle current limit)
Reserved
Reserved
Copyright © 2010–2014, Texas Instruments Incorporated
Product Folder Links: DRV8312 DRV8332
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