| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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21,923 pcs
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21923 pcs | On Request | 1 | On Request | On Request | 0625+ | On Request | On Request | |
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1,359 pcs
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1359 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The TPS61042DRBRG4 from Texas Instruments is a high-frequency boost converter with a constant current output, specifically designed for driving white LEDs. It operates with an input voltage range of 1.8 V to 6 V and features an internal 30 V switch capable of handling up to 500 mA. The device achieves up to 85% efficiency and offers precise brightness control using PWM or analog signals.
This boost converter operates at a switching frequency of up to 1 MHz and includes an internal power MOSFET switch. It is designed to work with small output capacitors down to 100 nF. The LED current is set by an external sense resistor and regulated by the feedback pin, which maintains a voltage of 252 mV across the sense resistor. The device also features overvoltage protection and disconnects LEDs during shutdown.
The TPS61042DRBRG4 is available in a small 3 mm x 3 mm QFN package, making it suitable for space-constrained applications. It has a low no-load quiescent current of 38 µA typical and a shutdown current of 0.1 µA typical. The operating temperature range is -40°C to 85°C.
| Qty | Low | High |
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| 1+ | $0.17 | $0.17 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The input voltage range is 1.8 V to 6 V.
The internal switch current is 500 mA.
The operating temperature range is -40°C to 85°C.
It is available in an 8-SON (3x3) or 8-VDFN exposed pad package.
Yes, it supports brightness control using PWM or analog signals.