A3941KLPTR-T Allegro Microsystems Inc, A3941KLPTR-T Datasheet - Page 18

• Manufacturer Part Number: A3941KLPTR-T
• Description: IC,Motor Controller,TSSOP,28PIN
• Manufacturer: Allegro Microsystems Inc

Specifications of A3941KLPTR-T

• Configuration: H Bridge
• Input Type: PWM
• Delay Time: 90ns
• Number Of Configurations: 1
• Number Of Outputs: 4
• Voltage - Supply: 5.5 V ~ 50 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 28-TSSOP Exposed Pad, 28-eTSSOP, 28-HTSSOP
• Number Of Drivers: 4
• Driver Configuration: Non-Inverting
• Driver Type: High and Low Side
• Rise Time: 35ns
• Fall Time: 20ns
• Propagation Delay Time: 150ns
• Operating Supply Voltage (max): 50V
• Operating Supply Voltage (min): 5.5V
• Operating Temp Range: -40C to 150C
• Operating Temperature Classification: Automotive
• Mounting: Surface Mount
• Pin Count: 28
• Package Type: TSSOP EP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Peak: -
• High Side Voltage - Max (bootstrap): -
• Lead Free Status / Rohs Status: Compliant
• Other names: 620-1236-2

A3941
Input and Output Structures
VBB
PHASE
PWMx
SR
18 V
(E) Logic inputs, no pulldown
20 V
(A) Gate drive outputs
ESD
Figure 4. Supply routing suggestions
3 kΩ
8.5 V
18 V
18 V
Controller Supply Ground
Quiet Ground
GHx
VREG
GLx
LSS
Cx
Sx
VREG
VS
VDSTH
RDEAD
A3941
VBB
GND
(B) Supply protection structures
VDRAIN
VDSTH
Automotive Full Bridge MOSFET Driver
GHB
GHA
GLA
GLB
18 V
LSS
SB
SA
(F) V
CP1
DS
10 Ω
ESD
(C) Fault output
monitor threshold input
Optional reverse
battery protection
Optional components
to limit LSS transients
CP2
ESD
1 kΩ
8.5 V
19 V
19 V
20 V
VDRAIN
FFx
Power Ground
R
S
RDEAD
RESET
18 V
18 V
18 V
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
VBB
6 V
ESD
(D) RESET input
+ Supply
Supply
Common
(G) RDEAD
50 kΩ
3 kΩ
100 Ω
8.5 V
Motor
6 V
6 V
VS
ESD
1.2 V
18