ASL2500SHN Two phase boost converter Product data sheet
●Introduction:
The ASL2500SHN is a highly integrated and flexible two-phase DC-to-DC boost converter IC. It has an SPI interface allowing control and diagnostic communication with an external microcontroller.
It is designed primarily for use in automotive LED lighting applications and provides an optimized supply voltage for ASLx415SHN Multi-channel LED Buck Driver.
●General description:
The ASL2500SHN has a fixed frequency peak current mode control with parabolic/non-linear slope compensation. It can operate with input voltages from 5.5 V to 40 V. It can be configured via SPI for output voltages of up to 80 V, to power the LED buck driver IC.
The ASL2500SHN is a two-phase converter which can have two independent outputs. The flexible driver can be configured, via the SPI interface, as a single output converter, or with multiple combinations of number of outputs and phases.
The ASL2500SHN boost converter can drive up to two external low-side N channel MOSFETs from an internally regulated adjustable supply. It can drive either logic or standard level MOSFETs.
The integrated SPI interface also allows for programming the supply under/over voltage range, output voltage range and DC-to-DC switching frequency. It enables the optimization of external components and flexibility for EMC design. This interface can also be used to provide diagnostic information such as the driver temperature.
Additional features include input under-voltage lockout and thermal shutdown when the junction temperature of the ASL2500SHN exceeds +175 °C.
The device is housed in a very small HVQFN32 pin package with an exposed thermal pad. It is designed to meet the stringent requirements of automotive applications. It is fully AEC Q100 grade 1 qualified. It operates over the -40 °C to +125 °C ambient automotive temperature range.
[ Automotive LED lighting ][ Daytime running lights ][ Position light ][ park light ][ Low beam ][ High beam ][ Turn indicator ][ Fog light ][ Cornering light ][ Advanced front lighting ] |
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Datasheet |
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Please see the document for details |
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HVQFN32;SOT617-12;MO-220 |
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English Chinese Chinese and English Japanese |
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26 October 2017 |
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Rev. 3 |
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ASL2500SHN v.3;ASL2500SHN |
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2.5 MB |
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