onsemi NCP81611MNTXG Microcontrollers
4/3/2/1 Multi-Phase Buck Controller with PWM_VID and I<sup>2</sup>C Interface, 5000-REEL
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
NCP81611MNTXG
Detailed Description
4/3/2/1 Multi-Phase Buck Controller with PWM_VID and I<sup>2</sup>C Interface, 5000-REEL
Package
40-VFQFN Exposed Pad
Lifecycle Status
Active
Datasheet
NCP81611MNTXG Datasheet
Quick Jump:
Technical Specifications
onsemi NCP81611MNTXG Microcontrollers technical specifications.
General
RoHS
Yes
Package / Case
40-VFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-10°C ~ 100°C (TA)
Supply Voltage
2.8V ~ 20V
Lifecycle Status
Active
Output Type
PWM Signal
Switching Frequency
250kHz ~ 1.2MHz
Number of Outputs
4
Topology
Buck
Alternate Parts Comparison (NCP81611MNTXG vs NCP5369MNR2G vs NCP500SN33T1G vs NCP718ASN180T1G)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 40-VFQFN Exposed Pad | 40-VFQFN Exposed Pad | SOT-23-5 Thin, TSOT-23-5 | SOT-23-5 Thin, TSOT-23-5 |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -10°C ~ 100°C (TA) | -55°C ~ 150°C (TJ) | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TJ) |
| RoHS | Yes | Yes | Compliant | Compliant |
| Lifecycle Status | Active | Last Shipments | Production | Production |
| Output Configuration | Positive | Half Bridge | Positive | Positive |
| Package | QFN-40 | QFN-40 | TSSOP | VSSOP |
| Control Features | Current Limit, Enable, Frequency Control, Power Good, Ramp, Soft Start, SPI | -- | Enable | Soft Start |
| Number of Outputs | 4 | -- | 1 | 1 |
| Output Type | PWM Signal | -- | Fixed | Fixed |
| Case Outline | -- | 485AZ | 483 | 419AE |
| Compliance | -- | PbAHP | PbAHP | PbAHP |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
NCP81233MNTXGonsemiSimilaronsemi
Pin NoPkg NoElec Mixed
Multi-Phase Controller, Configurable, 4.5 V to 20 V, I2C, 2500-REEL
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
NCP81232MNTXGonsemiMulti-Phase Controller with Dual Loop Capability, Configurable, DrMOS Compatible, 5000-REEL
NCP81276MNTXGonsemiMulti-Phase Synchronous Buck Controller with Power Saving Mode and PWM VID Interface, 5000-REEL
