MFG:Allegro Microsystems Inc Category:Integrated Circuits (ICs) Package Cooled:SOP D/C:06+
A3940, A3940KLP, A3940KLP/T Datasheet download
Category: Integrated Circuits (ICs)
MFG: Allegro Microsystems Inc
Package Cooled: SOP
D/C: 06+
Description: IC CTRLR MOSFET FULL 28TSSOP
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PDF/DataSheet Download
Datasheet: A3940-0000T
File Size: 38107 KB
Manufacturer: 3M
Download : Click here to Download
PDF/DataSheet Download
Datasheet: A3940KLP
File Size: 679808 KB
Manufacturer: ALLEGRO [Allegro MicroSystems]
Download : Click here to Download
PDF/DataSheet Download
Datasheet: A390
File Size: 440324 KB
Manufacturer: POWEREX [Powerex Power Semiconductors]
Download : Click here to Download
The A3940KLP and A3940KLW are designed specifically for automotive applications that require high-power motors. Each provides four high-current gate drive outputs capable of driving a wide range of n-channel power MOSFETs in a full-bridge configuration.
Bootstrap capacitors are utilized to provide the above-battery supply voltage required for n-channel FETs. An internal charge pump for the high side allows for dc (100% duty cycle) operation of the bridge.
Protection features include supply under/overvoltage, thermal shutdown, and motor lead short-to-battery and short-to-ground fault notification, and a programmable dead-time adjustment for crossconduction prevention. The overvoltage trip point is user adjustable.
The A3940 is supplied in a choice of two power packages, a 28-pin TSSOP with an exposed thermal pad (package type LP), and a 28-pin wide-body SOIC (package type LW). Both package types are available in lead (Pb) free versions, with 100 % matte-tin leadframe plating (suffix –T).
| Technical/Catalog Information | A3940KLP |
| Vendor | Allegro Microsystems Inc |
| Category | Integrated Circuits (ICs) |
| Configuration | H Bridge |
| Voltage - Supply | 7 V ~ 40 V |
| Current - Peak | 700mA |
| Delay Time | 225ns |
| Package / Case | 28-TSSOP |
| Packaging | Tube |
| Number of Outputs | 4 |
| Input Type | Non-Inverting |
| Number of Configurations | 1 |
| Operating Temperature | -40°C ~ 135°C |
| High Side Voltage - Max (Bootstrap) | - |
| Lead Free Status | Contains Lead |
| RoHS Status | RoHS Non-Compliant |
| Other Names | A3940KLP A3940KLP |
The A3940KLP and A3940KLW are designed specifically for automotive applications that require high-power motors. Each provides four high-current gate drive outputs capable of driving a wide range of n-channel power MOSFETs in a full-bridge configuration.
Bootstrap capacitors are utilized to provide the above-battery supply voltage required for n-channel FETs. An internal charge pump for the high side allows for dc (100% duty cycle) operation of the bridge.
Protection features include supply under/overvoltage, thermal shutdown, and motor lead short-to-battery and short-to-ground fault notification, and a programmable dead-time adjustment for cross- conduction prevention. The overvoltage trip point is user adjustable.
The A3940 is supplied in a choice of two power packages, a 28- lead TSSOP with an exposed thermal pad (suffix LP), and a 28-lead wide-body SOIC (suffix LW).
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