A4990 Datasheet, PDF (2/13 Pages) Allegro MicroSystems – Automotive Dual Full Bridge Driver

A4990
Automotive Dual Full Bridge Driver
Features and Benefits (continued)
• Overvoltage and undervoltage lockout
• 3.3 V / 5 V compatible inputs with hysteresis
• Thermally enhanced package (exposed pad)
• Fully integrated in a compact TSSOP package for
space sensitive applications
Selection Guide
Part Number
A4990KLPTR-T
Packing
4000 pieces per
13-in. reel
Package
4.4 mm × 6.5 mm, 1.2 mm nominal height
20-pin TSSOP with exposed thermal pad
Absolute Maximum Ratings with respect to ground
Characteristic
Symbol
Notes
Rating
Unit
Load Supply Voltage
V_BB
CP1 Pin
CP2, VCP Pin
OUT1, OUT2, OUT3, OUT4 Pins
IN1, IN2, IN3, IN4 Pins
–0.3 to 50
V
–0.3 to V_BB
V
–0.3 to V_BB + 8
V
–0.3 to V_BB
V
–0.3 to 6
V
VREG Pin
–0.3 to 8.5
V
INH Pin
–0.3 to 6
V
EF1, EF2 Pins
–0.3 to 6
V
SENS12, SENS34 Pins
–0.3 to 1
V
Operating Ambient Temperature
T_A
L temperature range, limited by power
dissipation
–40 to 150
ºC
Continuous
150
ºC
Maximum Junction Temperature
T_J(max)
Single overtemperature event not exceeding
10 s, cumulative lifetime duration not exceeding
175
ºC
10 hours, specified by design characterization
Storage Temperature
T_stg
–55 to 150
ºC
Thermal Characteristics may require derating at maximum conditions, see application information
Characteristic
Symbol
Test Conditions*
Package Thermal Resistance
(Junction to Ambient)
Estimated, on Package LH, on 4-layer PCB based on JEDEC standard
R_θJA
Estimated, on 2-layer PCB with 3.8 in.² of copper area each side
Package Thermal Resistance
(Junction to Case)
R_θJC
Estimated
*Additional thermal information available on the Allegro website.
Value Unit
31 ºC/W
38 ºC/W
2 ºC/W
Allegro MicroSystems, LLC
2
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com