3.7V to 1.5V Converter
Learn how to convert 3.7V to 1.5V using a buck converter or voltage regulator. Ideal for low-voltage electronics like sensors, microcontrollers, or low-power LEDs.
12v battery indicator using LED
The 12V charging indication circuit offers an easily understandable and accurate method of knowing the charging status of a 12V battery using simple components. With the inclusion of a comparator voltage or switching logic transistor, this circuit can allow users to effectively monitor battery health and curb battery overcharging. It is a vital instrument in the automotive, solar, and do-it-yourself electronics-related projects involving lead-acid or lithium batteries.
BC547 Voltage Output Formula:
Buck Converter Formula:
Vout = Vin × (D)
Where:
- Vout = Output Voltage
- Vin = Input Voltage (3.7V)
- D = Duty Cycle (Vout/Vin)
| Parameter | Value |
|---|---|
| Input Voltage | 3.7V |
| Output Voltage | 1.5V |
| Current Load | ~0.5A–1A |
| Regulator Type | Buck or LDO |
| Efficiency | 70–95% (buck) |
low voltage step-down converter
Find out how to change 3.7v to 1.5v with buck converter or voltage regulator. Perfect for low-voltage electronics – eg. sensors, microcontroller or very low power LEDs.
3.7v to 1.5v converter circuit
| Input (V) | Expected Output (V) | Actual Output (V) | Load (mA) |
|---|---|---|---|
| 3.7 | 1.5 | 1.49 | 500 |
| 3.6 | 1.5 | 1.48 | 300 |
| 3.8 | 1.5 | 1.50 | 700 |
Frequently Asked Questions - 3.7V to 1.5V Converter:
What is a 3.7V to 1.5V converter?
A voltage regulator circuit that steps down 3.7V to a stable 1.5V.
Which IC can I use for 3.7V to 1.5V?
Use LM317 (adjustable) or a buck converter like MP1584.
Is 3.7V to 1.5V efficient with LM317?
No, LM317 wastes power as heat; buck converters are better.
Can I use resistors to step down 3.7V to 1.5V?
Not reliably, as voltage changes with load.
Is a buck converter better than LDO?
Yes, it's more efficient with higher current loads.
What is the current limit for 3.7V to 1.5V?
Depends on your converter; usually 0.5A to 2A.
Can I power 1.5V devices from a 3.7V battery?
Yes, with a proper step-down regulator.
Can I use AMS1117 for 1.5V?
No, AMS1117 minimum dropout is too high for 3.7V to 1.5V.
What's the power loss using LM317?
Around 60%, depending on current and heatsinking.
Is heat dissipation important?
Yes, especially for linear regulators like LM317.
