A3940KLPTR-T Allegro Microsystems Inc, A3940KLPTR-T Datasheet

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A3940KLPTR-T

Manufacturer Part Number
A3940KLPTR-T
Description
IC CTLR MOSFET FULL 28-TSSOP
Manufacturer
Allegro Microsystems Inc
Datasheet

Specifications of A3940KLPTR-T

Configuration
H Bridge
Input Type
Non-Inverting
Delay Time
225ns
Current - Peak
700mA
Number Of Configurations
1
Number Of Outputs
4
Voltage - Supply
7 V ~ 40 V
Operating Temperature
-40°C ~ 135°C
Mounting Type
Surface Mount
Package / Case
28-TSSOP Exposed Pad, 28-eTSSOP, 28-HTSSOP
Device Type
Full Bridge
Module Configuration
Full Bridge
Peak Output Current
5mA
Output Resistance
6ohm
Input Delay
225ns
Output Delay
225ns
Supply Voltage Range
7V To 40V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
High Side Voltage - Max (bootstrap)
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
620-1293-2
A3940KLPTR-T

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
A3940KLPTR-T
Manufacturer:
ALLEGRO/雅丽高
Quantity:
20 000
Allegro MicroSystems, Inc. reserves the right to make, from time to time, revisions to the anticipated product life cycle plan
for a product to accommodate changes in production capabilities, alternative product availabilities, or market demand. The
information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, Inc. assumes no respon-
sibility for its use; nor for any infringements of patents or other rights of third parties which may result from its use.
Date of status change: April 30, 2007
The A3940KLPTR-T variant is in production but has been determined
to be NOT FOR NEW DESIGN. This classification indicates that sale
of this device is currently restricted to existing customer applications.
The device should not be purchased for new design applications
because obsolescence in the near future is probable. Samples are no
longer available.
Recommended Substitutions:
NOTE: For detailed information on purchasing options, contact your
local Allegro field applications engineer or sales representative.
For existing customer transition, and for new customers or new appli-
cations, refer to the A3941.
Not for New Design
Full-Bridge Power MOSFET Controller
A3940

Related parts for A3940KLPTR-T

A3940KLPTR-T Summary of contents

Page 1

... The A3940KLPTR-T variant is in production but has been determined to be NOT FOR NEW DESIGN. This classification indicates that sale of this device is currently restricted to existing customer applications. The device should not be purchased for new design applications because obsolescence in the near future is probable. Samples are no longer available ...

Page 2

... Motor lead short-to-battery and short-to-ground protection  Undervoltage/overvoltage protection  -40°C to +150°C, T operation J  Thermal shutdown Always order by complete part number Part Number Pb-free Status Package A3940KLPTR-T Yes NND A3940KLPTR – LTB Packing 28-pin TSSOP 4000 pcs/reel 28-pin TSSOP 4000 pcs/reel ...

Page 3

FULL-BRIDGE POWER MOSFET CONTROLLER 2 Functional Block Diagram See pages 7 and 8 for terminal assignments and descriptions. 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 Copyright © 2003 Allegro MicroSystems, Inc. ...

Page 4

A3940KLP (TSSOP) * Measured on “High-K” multi-layer PWB per JEDEC Standard JESD51-7. † Measured on typical two-sided PWB . www.allegromicro.com FULL-BRIDGE POWER MOSFET CONTROLLER A3940KLW (SOIC) The products described here are manufactured under one or more U.S. patents or U.S. ...

Page 5

FULL-BRIDGE POWER MOSFET CONTROLLER ELECTRICAL CHARACTERISTICS 0.47 µ square wave. Characteristics Symbol Power Supply V Quiescent Current BB VREG5 Output Voltage V VREG5 Line Regulation ...

Page 6

ELECTRICAL CHARACTERISTICS 0.47 µ square wave. Characteristics Symbol Control Logic Logic Input Voltage Logic Input Current Gate Drives, GHx, GLx ( internal SOURCE or upper switch ...

Page 7

FULL-BRIDGE POWER MOSFET CONTROLLER ELECTRICAL CHARACTERISTICS 0.47 µ square wave. Characteristics Symbol Bootstrap Circuit Diode Forward Current Limit Diode Forward Drop Diode Resistance Top-off CP ...

Page 8

Terminal Name Function VDRAIN Kelvin connection to MOSFET high-side drains LSS Gate-drive source return, low-side GLB Gate-drive B output, low-side SB Motor phase B input GHB Gate-drive B output, high-side CB Bootstrap capacitor B VIN Regulated 13 V gate drive ...

Page 9

FULL-BRIDGE POWER MOSFET CONTROLLER CA/CB. High-side connection for bootstrap capacitor, positive supply for high-side gate drive. The bootstrap capacitor is charged to V – 1.5 V when the output Sx terminal is low. REG13 When the output swings high, ...

Page 10

Motor Lead Protection. A fault detection circuit monitors the voltage across the drain to source of the external MOSFETs. A fault is asserted “high” on the output terminal, FAULT, if the drain-to-source voltage of any MOSFET that is instructed to ...

Page 11

FULL-BRIDGE POWER MOSFET CONTROLLER PHASE ENABLE MODE NOTES: ...

Page 12

NOTES: 1. Exact body and lead configuration at vendor’s option within limits shown. 2. Lead spacing tolerance is non-cumulative. 3. Supplied in standard sticks/tubes of 50 devices or add “TR” to part number for tape and reel. www.allegromicro.com FULL-BRIDGE POWER ...

Page 13

FULL-BRIDGE POWER MOSFET CONTROLLER NOTES: 1. Lead spacing tolerance is non-cumulative. 2. Exact body and lead configuration at vendor’s option within limits shown. 3. Supplied in standard sticks/tubes of 27 devices or add “TR” to part number for tape ...

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