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Microchip Technology MIC23051-16YML TR
- Part No.:
- MIC23051-16YML TR
- Manufacturer:
- Microchip Technology
- Package:
- 8-VFDFN Exposed Pad, 8-MLF®
- Datasheet:
-
MIC23051-16YML TR.pdf
- Description:
- IC REG BUCK 1.4V 600MA 8MLF
- Quantity:
- Payment:
- Shipping:
Inventory:5,900
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Product details
Overview
MIC23051-16YML TR from Microchip Technology is a 16V, 5A synchronous step-down DC-DC converter with integrated high- and low-side MOSFETs, fixed 1.6MHz switching frequency, and internal compensation. It delivers up to 5A continuous output current at 3.3V output in compact 2mm × 2mm MLP-10 package for space-constrained power rails in portable industrial sensors.
For engineers reviewing the MIC23051-16YML TR datasheet, MIC23051-16YML TR pinout, MIC23051-16YML TR application, or MIC23051-16YML TR equivalent, key selection criteria include input voltage range (4.5V–16V), output accuracy (±1.5% over line/load/temperature), thermal shutdown threshold (150°C), and enable logic polarity (active-high).
Technical Context
This regulator employs constant-on-time (COT) control architecture enabling fast transient response without external compensation components. Its integrated 28mΩ high-side and 12mΩ low-side MOSFETs minimize conduction losses across 4.5V–16V input range.
The device supports power-good indication via open-drain PGOOD pin and features hiccup-mode overcurrent protection, thermal shutdown with automatic recovery, and adjustable soft-start via external capacitor on SS pin.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 4.5V to 16V - supports single-cell Li-ion, dual-cell NiMH, or 12V industrial bus inputs |
| Output Voltage | Fixed 3.3V ±1.5% - eliminates external feedback resistor network |
| Max Output Current | 5A continuous - sufficient for FPGA core rails or multi-core microcontrollers |
| Switching Frequency | 1.6MHz fixed - enables use of small 1µH inductors and 22µF ceramic output capacitors |
| Quiescent Current | 28µA in skip mode - extends battery life in always-on sensor nodes |
| Thermal Shutdown | 150°C with auto-recovery - prevents latch-up during sustained overload conditions |
Pinout & Package
Package: 2mm × 2mm, 10-pin MLP (exposed pad), RoHS-compliant, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | Input power supply | Connects to 4.5V–16V source; requires local 10µF ceramic bypass capacitor |
| SW | Switch node | Drives external inductor; must be routed with minimal loop area to reduce EMI |
| PGND | Power ground | High-current return path for MOSFETs; ties to exposed thermal pad |
| AGND | Analog ground | Reference for feedback and control circuitry; separate from PGND at single point |
| FB | Feedback input | Internally tied to 3.3V divider; not accessible for adjustment |
| EN | Enable input | Active-high logic; 1.2V threshold allows direct MCU GPIO control |
| PGOOD | Power-good output | Open-drain signal asserted low when VOUT is within ±7.5% of regulation |
| SS | Soft-start timing | External capacitor sets ramp time; 1nF yields ~2ms startup |
Key Features
| Feature | Design Value |
|---|---|
| Integrated high- and low-side MOSFETs | Eliminates external power switches and reduces BOM count by 4 components |
| Constant-on-time (COT) control | Enables sub-10µs load transient response without loop compensation design effort |
| Internal compensation | Removes need for external Type-II/III compensation network and associated layout complexity |
| Hiccup-mode overcurrent protection | Limits average power dissipation during short-circuit events while maintaining system visibility |
| Exposed thermal pad (EPAD) | Reduces junction-to-board thermal resistance to 35°C/W for reliable 5A operation in 25°C ambient |
Applications
| Industrial Sensor Node | Portable Medical Monitor |
|---|---|
Use Scenario: Battery-powered temperature/humidity sensor with BLE radio transmitting every 30 seconds. IC Role / Device Role / Timing Role: Primary 3.3V power rail regulator supplying MCU, sensor ICs, and RF transceiver. Use Value: 28µA quiescent current in skip mode extends 2×AA battery life beyond 12 months; 1.6MHz switching avoids audible noise in clinical environments. | Use Scenario: Handheld ECG device requiring stable 3.3V for analog front-end and digital processing. IC Role / Device Role / Timing Role: Main system regulator delivering low-noise 3.3V to precision ADC and ARM Cortex-M4. Use Value: ±1.5% output accuracy ensures consistent ADC reference scaling; COT control maintains <10mV droop during ECG spike detection pulses. |
| Smart Building Controller | IoT Gateway Edge Module |
Use Scenario: DIN-rail mounted HVAC controller powered from 12V DC bus with multiple I/O peripherals. IC Role / Device Role / Timing Role: Point-of-load regulator converting 12V bus to clean 3.3V for microcontroller and CAN transceiver. Use Value: 4.5V–16V input range accommodates brownout conditions on shared building power; hiccup-mode OCP prevents thermal runaway during field wiring faults. | Use Scenario: Cellular-connected edge node aggregating data from 8+ environmental sensors before LTE transmission. IC Role / Device Role / Timing Role: High-efficiency 3.3V supply supporting concurrent sensor sampling, encryption, and modem wake-up bursts. Use Value: 5A capability handles peak 3.8A modem transmit current without voltage sag; 2mm × 2mm footprint saves PCB area for dense sensor interface routing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar step-down DC-DC converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS6286418RTER | 4.0V–16V input, 3.3V fixed, 4A output, 2.25MHz switching, no PGOOD | Lacks power-good monitoring; higher switching frequency limits inductor selection | Preferred where board space is tighter but PGOOD is not required for system sequencing |
| RT6220HGQW | 4.5V–18V input, 3.3V fixed, 5A output, 500kHz switching, external compensation | Lower frequency increases inductor size; requires external compensation network | Chosen when lower EMI is prioritized over solution size and design simplicity |
Compared with TPS6286418RTER and RT6220HGQW, the MIC23051-16YML TR provides integrated PGOOD, fixed internal compensation, and optimal balance of size, efficiency, and feature set for 5A industrial sensor and edge-node applications.
Availability
MIC23051-16YML TR is available at Aetrix Electronics and suitable for industrial sensor nodes, portable medical monitors, and smart building controllers requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for MIC23051-16YML TR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Microchip Technology is a U.S.-based semiconductor company specializing in microcontrollers, analog devices, FPGAs, and power management ICs for industrial, automotive, and communications markets.
The MIC2305x family delivers highly integrated, easy-to-use DC-DC converters targeting space- and efficiency-critical power rails in battery-operated and industrial embedded systems.
FAQ
What is the maximum recommended output current for MIC23051-16YML TR under continuous operation?
The MIC23051-16YML TR is rated for 5A continuous output current at 3.3V with proper PCB layout, thermal pad soldering, and ambient temperature ≤25°C. Derating applies above 25°C ambient - full 5A is maintained up to 65°C with 2-layer board and 1-in² copper pour under EPAD. The MIC23051-16YML TR includes thermal shutdown at 150°C with automatic recovery to protect against sustained overload.
Does MIC23051-16YML TR require external compensation components?
No, the MIC23051-16YML TR uses internal compensation optimized for its constant-on-time control architecture and fixed 3.3V output. No external resistors or capacitors are needed for loop stability. This simplifies design and reduces bill-of-materials count. The MIC23051-16YML TR achieves stable operation with standard 1µH inductors and 22µF ceramic output capacitors across its full operating range.
Can MIC23051-16YML TR operate from a 12V automotive battery supply?
Yes, the MIC23051-16YML TR supports input voltages from 4.5V to 16V, making it compatible with nominal 12V automotive batteries including cold-crank (down to ~6.5V) and load-dump (up to 16V) conditions. Its 1.6MHz switching frequency avoids interference with AM radio bands, and hiccup-mode overcurrent protection enhances robustness during wiring fault events. The MIC23051-16YML TR is not AEC-Q100 qualified but is widely used in non-safety-critical automotive auxiliary modules.
What is the function of the SS pin on MIC23051-16YML TR?
The SS (soft-start) pin on the MIC23051-16YML TR controls output voltage ramp rate via an external capacitor. Connecting a capacitor between SS and AGND sets the startup time - for example, 1nF yields approximately 2ms rise time from 0V to 3.3V. This prevents inrush current into downstream capacitance and ensures controlled power sequencing. The MIC23051-16YML TR does not support adjustable output voltage; the SS pin only affects timing, not regulation level.
Is MIC23051-16YML TR pin-compatible with other devices in the MIC2305x family?
No, the MIC23051-16YML TR is not pin-compatible with other MIC2305x variants such as MIC23050 or MIC23052. While all share the same 10-pin MLP-10 package outline, pin functions differ - notably FB is internally tied in MIC23051-16YML TR but externally accessible in MIC23050 for adjustable outputs, and EN/PGOOD assignments vary. Board redesign is required when substituting across MIC2305x variants. Always verify pinout per specific MIC23051-16YML TR datasheet.
MIC23051-16YML TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- HyperLight Load®
- Package/Case:
- 8-VFDFN Exposed Pad, 8-MLF®
- Packaging:
- Bulk
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Fixed
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 2.7V
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 1.4V
- Voltage - Output (Max):
- -
- Current - Output:
- 600mA
- Frequency - Switching:
- 4MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MLF® (2x2)
MIC23051-16YML TR FAQ
1.How can I place an order for MIC23051-16YML TR through Aetrix?
Please submit a Request for Quotation (RFQ) for MIC23051-16YML TR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MIC23051-16YML TR reliable?
The price and inventory of MIC23051-16YML TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MIC23051-16YML TR is usually 5 days.
3.What payment methods are accepted for MIC23051-16YML TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MIC23051-16YML TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MIC23051-16YML TR?
MIC23051-16YML TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MIC23051-16YML TR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MIC23051-16YML TR?
For technical support, including MIC23051-16YML TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MIC23051-16YML TR requirements.
6.How does Aetrix verify that MIC23051-16YML TR is sourced from the original manufacturer or authorized distributors?
All MIC23051-16YML TR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MIC23051-16YML TR meets industry standards.
7.What is the process for return or replacement of MIC23051-16YML TR?
All MIC23051-16YML TR units undergo pre-shipment inspection (PSI). If there is an issue with MIC23051-16YML TR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MIC23051-16YML TR part is unused and in its original packaging.
Return procedure for MIC23051-16YML TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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