(China (Mainland))
Product Summary
The A3935KLQ is a 3－phase power mosfet controller. The A3935KLQ is designed specifically for automotive applications that require high－power motors. Each provides six high－current gate drive outputs capable of driving a wide range of n－channel power MOSFETs. A requirement of automotive systems is steady operation over a varying battery input range. The A3935KLQ integrates a pulse－frequency modulated boost converter to create a constant supply voltage for driving the external MOSFETs. Bootstrap capacitors are utilized to provide the above battery supply voltage required for n－channel FETs. Direct control of each gate output is possible via six TTL－compatible inputs. A differential amplifier is integrated to allow accurate measurement of the current in the three－phase bridge.
Parametrics
A3935KLQ absolute maximum ratings: (1)Sense Circuit Voltages, CSP,CSN, LSS : －4 V to 6.5 V; (2)Logic Supply Voltage, VDD: －0.3 V to +6.5 V; (3)Logic Input/Outputs and OVSET, BOOSTS, CSOUT, VDSTH : －0.3 V to 6.5 V; (4)Operating Temperature Range, TA : －40℃ to +135℃; (5)Junction Temperature, TJ : +150℃; (6)Storage Temperature Range, TS : －55℃ to +150℃.
Features
A3935KLQ features: (1)Drives wide range of n－channel MOSFETs in 3－phase bridges; (2)PFM boost converter for use with low－voltage battery supplies; (3)Internal LDO regulator for gate－driver supply; (4)Bootstrap circuits for high－side gate drivers; (5)Current monitor output; (6)Adjustable battery overvoltage detection.; (7)Diagnostic outputs; (8)Motor lead short－to－battery, short－to－ground, and bridge－open protection; (9)Undervoltage protection; (10)－40 ℃to +150 °C, TJ operation; (11)Thermal shutdown.
Diagrams
| Image | Part No | Mfg | Description |  |
Pricing (USD) |
Quantity | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
 |
 A3935KLQ |
|
IC CTRLR MOSFET 3PH 36-SOIC |
Data Sheet |
|
|
||||||
|
A3935KLQ-T |
|
IC CTRLR MOSFET 3PH 36-SOIC |
Data Sheet |
|
|
||||||
|
A3935KLQTR |
|
IC CTRLR MOSFET 3PH 36-SOIC |
Data Sheet |
Negotiable |
|
||||||
|
A3935KLQTR-T |
|
IC CTLR MOSFET 3PH AUTO 36-SOIC |
Data Sheet |
Negotiable |
|
||||||
