A3940KLP |
RFQ for A3940KLP Required Field |
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| 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 |
| Product | Manufacturers | Pack | D/C |
| A3940KLP | - | TSSOP28 | 04+ |
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).
Features |
| Drives wide range of n-channel MOSFETsCharge pump to boost gate drive at low-battery-input conditionsBootstrapped gate drive with charge pump for 100% duty cycleSynchronous rectificationFault diagnostic outputAdjustable dead-time cross-conduction protectionMotor lead short-to-battery and short-to-ground protectionUndervoltage/overvoltage protection-40°C to +150°C, TJ operationThermal shutdown |
| Models | MFG | Pack |
| A39011 | ||
| A39015 | ||
| A39015V6.11 | ||
| A3916SZ | ||
| A393 | ||
| A3932SEQ | D/C | |
| A3932SEQT | ||
| A3932SEQTR | 800/Reel | |
| A3933EQ | ||
| A3933SEQ | ||
| A3933SEQT | ||
| A3933SEQTR | ||
| A3934LQ | ||
| A3934SJU | ||
| A3934SLQ | ||
| A3934SLQT | ||
| A3935KLQ | ||
| A3936SED | ||
| A3936SED-T | ||
| A3938SEQ |
