| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
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5,450 pcs
|
5450 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
| Category | |
| Manufacturer Name | |
| AEC Qualified | |
| Automotive Grade | |
| Clock Sync | |
| Control Features | |
| Duty Cycle | |
| Frequency | |
| Function | |
| Mounting Type | |
| Number of Outputs | |
| Operating Temperature | |
| Output Configuration | |
| Output Current | |
| Output Phases | |
| Output Type | |
| Supplier Device Package | |
| Supplier Package | |
| Synchronous Rectifier | |
| Topology | |
| Voltage |
The Texas Instruments LM5143QRHARQ1 is a versatile, automotive-qualified DC/DC controller designed for buck topology applications. It features a wide input voltage range from 3.5V to 65V, making it suitable for various power management needs.
This controller supports dual outputs with two phases and offers adjustable output voltages from 0.6V to 55V. Key electrical specifications include a maximum output current of 40A, a frequency range of 100kHz to 2.2MHz, and a low typical quiescent current of 15µA. Control features include current limit, dead time control, enable, frequency synchronization, power good, soft start, and tracking.
The LM5143QRHARQ1 operates within an ambient operating temperature range of -40°C to 150°C. It is supplied in a 40-VQFN (6x6) package with surface mount, wettable flank mounting type. The device is also Functional Safety-Capable, with documentation available to aid functional safety system design.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.75 | $0.75 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The controller operates from 3.5 V to 65 V input.
The output is adjustable from 0.6 V to 55 V.
It can deliver up to 40 A with dual outputs.
The switching frequency is adjustable from 100 kHz to 2.2 MHz.
Junction temperature range is -40°C to 150°C.
It is available in a 40-VFQFN Exposed Pad (40-VQFN 6x6mm) package for surface mount with wettable flank.
Current limit, dead time control, enable, frequency control, power good, soft start, and tracking.