XT4054K421MR-G
natlinear
Needs validationmedium risk
XT4054K421MR-G is a 4.2V charger candidate with package and pinout caveats.
Best Alternatives to ME4054BM5G-N
ME4054BM5G-N is a 4.2V single-cell Li-ion linear charger in SOT-23-5. Candidates need pinout and programming review.
AI replacement insight
Electrical riskmedium
input range or programming may differ
Package riskmedium
SOT-23-5L may need footprint check
Firmware risklow
no digital interface shown
Sourcing riskmedium
stock not provided
Can it be replaced directly?
No pin-compatible replacement is proven from the provided fields.
Best replacement path
Start with AD4054D, then verify pin functions, input range, and charge-current programming.
Main risk
Pinout is not provided for any kept candidate.
Recommended alternatives
1Alternative comparison matrix
| Feature / factor | ME4054BM5G-N | AD4054D | XT4054K421MR-G | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Application | Li-ion linear charger | Li-ion linear charger | Li-ion linear charger | Li-ion linear charger — same role; XT4054K421MR-G: same role | |
| Package | SOT-23-5 | SOT-23-5 | SOT-23-5L | SOT-23-5 / SOT-23-5L — same package text; XT4054K421MR-G: variant text | |
| Pinout | 5 pins | 5 pins | 5 pins | 5 pins — functions not shown; XT4054K421MR-G: functions not shown | |
| Voltage | 4.0-6.5V in, 4.2V charge | 4.25-6.0V in, 4.2V charge | 4.25-6.5V in, 4.2V out | 4.25-6.0V in, 4.2V charge / 4.25-6.5V in, 4.2V out — narrower input; XT4054K421MR-G: higher input min | |
| Current | 20-500mA | 600mA max | 500mA | 600mA max / 500mA — program range missing; XT4054K421MR-G: same max | |
| Temperature | -40 to 85C | -40 to 85C | -40 to 85C | -40 to 85C — same range; XT4054K421MR-G: same range |
Application & sourcing insights
Questions & answers
AD4054D is the closest listed candidate by function and package, but it still needs pinout and input-range review.