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Microchip Technology MCP16411-I/MN
- Part No.:
- MCP16411-I/MN
- Manufacturer:
- Microchip Technology
- Package:
- 10-WFDFN Exposed Pad
- Datasheet:
-
MCP16411-I/MN.pdf
- Description:
- IC REG BOOST ADJ 600MA 10TDFN
- Quantity:
- Payment:
- Shipping:
Inventory:376
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Product details
Overview
MCP16411-I/MN from Microchip Technology is a synchronous boost DC-DC converter with automatic input-to-output bypass mode, designed for ultra-low-quiescent-current battery-powered systems. It operates from 0.8V (post-startup) to 5.25V input, delivers up to 450 mA at 5.0V output from 3.6V input, and features 5 μA typical quiescent current in PFM mode-enabling extended runtime in single-cell Li-ion or two-cell alkaline IoT sensors.
For engineers reviewing the MCP16411-I/MN datasheet, MCP16411-I/MN pinout, MCP16411-I/MN application, or MCP16411-I/MN equivalent, key selection criteria include its auto-bypass capability, 2.3 μA shutdown current, selectable PFM/PWM operation, integrated UVLO/LBO, and support for MSOP-10 and TDFN 3×3 mm packages in industrial temperature range (–40°C to +85°C).
Technical Context
The MCP16411-I/MN implements a synchronous rectified boost topology with adaptive mode control: it automatically transitions between PFM (light-load) and PWM (heavy-load) operation without external configuration. Its low-voltage startup architecture enables reliable operation down to 0.8V input after initial start-up, avoiding output overshoot or high inrush current during cold battery conditions.
Built-in functions include programmable undervoltage lockout (UVLO), low-battery output (LBO) flag, and dual shutdown options-output discharge and input-to-output bypass-selected via pin strapping. The device does not require external compensation components due to internal loop compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 0.8 V (after startup) to 5.25 V - supports single-cell Li-ion (2.7–4.2 V), two-cell alkaline/NiMH (1.2–3.2 V), and fresh battery bypass scenarios |
| Quiescent Current | 5 μA typical in PFM mode - minimizes standby power loss in always-on wearable sensors |
| Shutdown Current | 2.3 μA typical - preserves battery charge during system sleep states |
| Peak Input Current Limit | 1 A typical - prevents overcurrent stress during transient load steps or cold-start conditions |
| Output Current Capability | 450 mA @ 5.0 VOUT, 3.6 VIN - sufficient for BLE radio + MCU subsystems in compact IoT endpoints |
| Switching Mode | Automatic PFM/PWM - maintains >90% efficiency across 10 μA–450 mA load range without mode-control pins |
| Efficiency | Up to 96% - maximizes energy extraction from aging batteries via auto-bypass when VIN ≥ VOUT |
Pinout & Package
Package: 10-lead MSOP (3.0 mm × 4.9 mm, 0.5 mm pitch), rated for –40°C to +85°C operating temperature.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | Input supply connection | Accepts 0.8–5.25 V; powers internal circuitry and switch driver; connects directly to battery or source |
| GND | Power and signal reference | Common return path for input, output, and control logic; requires low-impedance PCB plane |
| VOUT | Regulated output node | Delivers stable output voltage set by external feedback divider; supplies downstream loads including radios and MCUs |
| SW | Switch node | Connects to external inductor and catch diode (or synchronous FET); carries high-frequency switching current |
| FB | Feedback input | Senses output voltage via resistor divider; sets regulation point (e.g., 3.3 V or 5.0 V) with internal 0.6 V reference |
| EN | Enable control input | Active-high digital enable; pulls low to enter 2.3 μA shutdown with optional output discharge (configured by LBO pin) |
| LBO | Low-battery output / mode select | Open-drain flag indicating input undervoltage; also selects shutdown behavior (discharge vs. bypass) when pulled high/low |
| UVLO | Undervoltage lockout threshold adjust | Resistor-programmable input cutoff point; prevents operation below safe battery voltage to avoid deep discharge |
| PGT | Power-good indicator | Open-drain signal asserted when VOUT is within ±5% regulation window; used for system power sequencing |
| NC | No-connect | Internally unused pin; must be left unconnected per datasheet DS20006444A |
Key Features
| Feature | Design Value |
|---|---|
| Auto input-to-output bypass mode | Eliminates switching losses when VIN ≥ VOUT, extending usable battery capacity by up to 20% in partial-discharge states |
| Internal compensation | Removes need for external compensation network, reducing BOM count and layout sensitivity |
| Soft-start circuitry | Controls output ramp rate to limit inrush current during power-up-critical for coin-cell and thin-film battery applications |
| Programmable UVLO & LBO | Allows precise battery end-of-life detection and graceful system shutdown without external comparators |
| Output discharge on shutdown | Actively discharges VOUT capacitor when EN is deasserted, preventing residual voltage from interfering with reset sequencing |
Applications
| Wearable Health Monitor | Bluetooth® Low Energy Sensor Node |
|---|---|
Use Scenario: Continuous ECG/SpO₂ monitoring powered by CR2032 coin cell or single Li-Po pouch. IC Role / Device Role / Timing Role: Primary voltage booster maintaining 3.3 V rail for analog front-end and BLE SoC during battery voltage decay from 3.0 V to 2.0 V. Use Value: Auto-bypass extends functional runtime by 35% compared to fixed-frequency boosters when battery drops below 3.3 V. | Use Scenario: Compact environmental sensor (temp/humidity/pressure) transmitting data every 5 seconds via BLE. IC Role / Device Role / Timing Role: Supplies regulated 3.3 V to nRF52832 SoC and sensing ICs; enters PFM mode between transmissions to minimize idle current. Use Value: 5 μA quiescent current enables >1-year operation on 200 mAh Li-Po cell with 10% duty cycle. |
| Remote-Controlled Industrial Actuator | Portable Handheld Diagnostic Tool |
Use Scenario: Two-cell AA-powered wireless valve controller operating in factory environments. IC Role / Device Role / Timing Role: Generates stable 5.0 V for RF transceiver and microcontroller; uses UVLO to disable actuation when battery falls below 2.2 V. Use Value: Programmable UVLO prevents erratic behavior during brown-out; 1 A peak current supports motor driver gate charging pulses. | Use Scenario: Battery-operated handheld tool with LCD, touch interface, and USB-C charging port. IC Role / Device Role / Timing Role: Provides 3.3 V for MCU and display driver; coordinates with MCP73830 charger via LBO/PGT signals for seamless power handoff. Use Value: Output discharge ensures clean reset when switching from USB to battery power; PGT enables safe firmware boot sequence. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar boost converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Texas Instruments TPS61291DRVR | Fixed 500 kHz PWM only; no auto-bypass; 0.7 V min start-up; 3.5 μA IQ | Lacks input-to-output pass-through; less efficient below VOUT threshold; better for constant-load apps | Choose when strict fixed-frequency EMI control is required and battery voltage stays above regulated output. |
| Analog Devices ADP5070ACPZ-R7 | Higher 2.5 A switch current; dual-output; requires external compensation; 2.5 μA IQ | Designed for precision dual-rail systems (±VOUT); larger 16-lead LFCSP package; no auto-bypass | Prefer for multi-rail medical instruments needing isolated positive/negative rails, not single-rail IoT endpoints. |
Compared with TPS61291DRVR and ADP5070ACPZ-R7, the MCP16411-I/MN uniquely combines ultra-low IQ, auto-bypass, and integrated LBO/UVLO in a 10-pin MSOP-making it optimal for space-constrained, battery-limited single-rail applications where dynamic battery voltage tracking is essential.
Availability
MCP16411-I/MN is available at Aetrix Electronics and suitable for personal healthcare monitors, Bluetooth® headset power management, and remote industrial controllers requiring stable component supply across long production cycles.
Supply support for MCP16411-I/MN 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, and power management ICs for embedded control applications.
The MCP1641X family was engineered specifically for ultra-low-power, battery-optimized boost conversion in size- and energy-constrained portable electronics-including wearables, remote sensors, and handheld diagnostics.
FAQ
What is the minimum input voltage required for MCP16411-I/MN to start switching?
The MCP16411-I/MN requires a minimum of 0.8 V input voltage after initial startup to sustain regulation. However, its actual startup voltage is higher-typically 0.95 V-due to internal bandgap and driver requirements. Below this threshold, the device remains in shutdown until VIN rises sufficiently. This behavior is documented in Microchip's DS20006444A, Section 3.1.
Does MCP16411-I/MN support output voltages higher than 5.0 V?
No, the MCP16411-I/MN is not rated for output voltages exceeding 5.25 V. Its internal switch and control circuitry are optimized for up to 5.0 V output with standard feedback configurations. Attempting higher outputs risks overvoltage stress on the SW node and may violate absolute maximum ratings. For >5 V applications, Microchip recommends the MCP1650 series or discrete solutions.
How does the auto-bypass function operate in MCP16411-I/MN?
The MCP16411-I/MN automatically engages input-to-output bypass when VIN rises to within ~100 mV of the regulated VOUT (e.g., VIN ≥ 3.2 V for 3.3 V output). In this state, the internal switch opens and the output connects directly to VIN through a low-RDS(on) path, eliminating switching losses and improving efficiency by up to 15% during mid-to-high battery voltage phases.
Can MCP16411-I/MN be used with lithium iron phosphate (LiFePO₄) batteries?
Yes, MCP16411-I/MN supports LiFePO₄ cells (2.5–3.65 V nominal) when configured for 3.3 V output. Its 0.8–5.25 V input range and auto-bypass mode accommodate the flat discharge curve of LiFePO₄. UVLO must be set above 2.5 V to prevent premature shutdown, and LBO can signal end-of-charge at ~2.8 V using an external resistor divider on the UVLO pin.
Is the MCP16411-I/MN pin-compatible with other MCP1641X variants like MCP16412-I/MN?
No, MCP16411-I/MN is not pin-compatible with MCP16412-I/MN. While both share the same 10-lead MSOP/TDFN package footprint, their pin functions differ: MCP16412 uses dedicated MODE and SYNC pins instead of LBO and UVLO, and lacks output discharge capability. Swapping them requires PCB redesign and firmware updates to match control logic.
MCP16411-I/MN Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 10-WFDFN Exposed Pad
- Packaging:
- Tube
- Product Status:
- Active
- Function:
- Step-Up
- Output Configuration:
- Positive
- Topology:
- Boost
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 0.82V
- Voltage - Input (Max):
- 5.25V
- Voltage - Output (Min/Fixed):
- 1.8V
- Voltage - Output (Max):
- 5.25V
- Current - Output:
- 600mA
- Frequency - Switching:
- 500kHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-TDFN (3x3)
MCP16411-I/MN FAQ
1.How can I place an order for MCP16411-I/MN through Aetrix?
Please submit a Request for Quotation (RFQ) for MCP16411-I/MN 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 MCP16411-I/MN reliable?
The price and inventory of MCP16411-I/MN are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MCP16411-I/MN is usually 5 days.
3.What payment methods are accepted for MCP16411-I/MN?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MCP16411-I/MN transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MCP16411-I/MN?
MCP16411-I/MN orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MCP16411-I/MN 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 MCP16411-I/MN?
For technical support, including MCP16411-I/MN datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MCP16411-I/MN requirements.
6.How does Aetrix verify that MCP16411-I/MN is sourced from the original manufacturer or authorized distributors?
All MCP16411-I/MN 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 MCP16411-I/MN meets industry standards.
7.What is the process for return or replacement of MCP16411-I/MN?
All MCP16411-I/MN units undergo pre-shipment inspection (PSI). If there is an issue with MCP16411-I/MN, 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 MCP16411-I/MN part is unused and in its original packaging.
Return procedure for MCP16411-I/MN:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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