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Microchip Technology MCP19214T-E/MQ
- Part No.:
- MCP19214T-E/MQ
- Manufacturer:
- Microchip Technology
- Category:
- DC DC Switching Controllers
- Package:
- 28-VFQFN Exposed Pad
- Datasheet:
-
MCP19214T-E/MQ.pdf
- Description:
- IC REG CNTRL MULTI I2C 28QFN
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
MCP19214T-E/MQ from Microchip Technology is a digitally enhanced dual-channel low-side PWM controller with integrated 8-bit PIC microcontroller core, two independent peak-current-mode PWM controllers, and 10-bit ADC - designed for battery chargers, LED drivers, and bidirectional DC-DC converters operating from 4.5V–42V input. It delivers simultaneous voltage/current regulation per channel, 0.5A/1A gate drive at 5V/10V VDR, and differential current sensing with 10× internal amplification.
For engineers reviewing the MCP19214T-E/MQ datasheet, MCP19214T-E/MQ pinout, MCP19214T-E/MQ application, or MCP19214T-E/MQ equivalent, key selection considerations include dual-loop control architecture, 28-pin 5×5 QFN package with exposed thermal pad, AEC-Q100 qualification, programmable leading-edge blanking (0/50/100/200 ns), and I²C interface support for PMBus-compatible power management communication.
Technical Context
The MCP19214T-E/MQ integrates two fully independent analog PWM control loops, each with dedicated voltage and current error amplifiers (VCOMP/CCOMP), programmable reference DACs, slope compensation, and primary current sense inputs (IP1/IP2) with configurable leading-edge blanking. Its digital core enables real-time loop tuning, fault logging, and state monitoring via Special Events Generator without firmware overhead.
It supports multiple topologies including Boost, Flyback, SEPIC, and Ćuk through flexible gate drive outputs (PDRV1/PDRV2), differential current sense inputs (ISN1/ISP1, ISN2/ISP2), and feedback paths (VFB1/VFB2). The internal +5V LDO (VDD) powers the core and analog circuitry, while external VDR (up to 10V) supplies the gate drivers for higher-voltage MOSFET switching.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 4.5V–42V - supports automotive battery systems (12V/24V/48V nominal) with 44V absolute max and 48V transient tolerance. |
| PWM Channels | 2 independent channels - enables dual-output or interleaved operation for reduced ripple and higher power density. |
| Switching Frequency | 31.25 kHz–2.0 MHz - adjustable via internal oscillator; allows optimization for efficiency (low f) or size (high f). |
| Gate Drive Capability | 0.5A sink/source @ 5V VDR; 1A sink/source @ 10V VDR - drives medium-power MOSFETs directly without external buffers. |
| Current Sense Amplifier | Integrated 10× differential amplifier - eliminates external op-amp for low-side current sensing in buck-derived topologies. |
| ADC Resolution | 10-bit with 4096 mV internal reference - enables precise telemetry of input/output voltage, current, temperature, and auxiliary signals. |
| Microcontroller Core | 8-bit PIC with 8192-word Flash, 336-byte RAM, and ICSP™ - supports custom protection algorithms, startup sequencing, and communication protocols. |
Pinout & Package
Package: 28-pin 5 mm × 5 mm QFN with exposed thermal pad (EP), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | Primary power input | Accepts 4.5V–42V supply; powers internal LDO and logic; includes UVLO/OVLO protection. |
| VDD | +5V LDO output | Stable 5V rail for MCU core, analog blocks, and optional gate driver supply. |
| VDR | Gate driver supply | External bias for PDRV1/PDRV2; supports up to 10V for enhanced MOSFET turn-on speed. |
| PDRV1 / PDRV2 | Low-side gate drive outputs | Push-pull CMOS outputs driving N-channel MOSFET sources; rated for 0.5A/1A depending on VDR. |
| IP1 / IP2 | Primary current sense inputs | High-side or low-side current sense node connections for peak-current-mode control. |
| ISN1/ISP1, ISN2/ISP2 | Differential current sense inputs | Connect to shunt resistor; internal 10× amplifier enables accurate low-voltage sensing (e.g., 20 mV full-scale). |
| VFB1 / VFB2 | Voltage feedback inputs | High-impedance inputs for resistive divider feedback; set output voltage regulation points per channel. |
| CCOMP1 / CCOMP2 | Current loop error amplifier outputs | Internal nodes accessible for loop compensation or external monitoring of current regulation status. |
| VCOMP1 / VCOMP2 | Voltage loop error amplifier outputs | Internal nodes used for voltage loop compensation; enable type-II/type-III filter design. |
| GPA0–GPA7, GPB0, GPB4–GPB5 | Configurable GPIO/ADC/I²C pins | 12 I/O + 1 input-only (MCLR); support ADC (AN0–AN6), I²C (SCL/SDA), ICSP™ (CLK/DAT), debug outputs (TS_OUT1/TS_OUT2). |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent control loops | Simultaneous voltage and current regulation per channel - essential for constant-current/constant-voltage battery charging and LED string control. |
| Master/slave PWM operation | Adjustable phase shift between channels - reduces input/output ripple and EMI in interleaved designs. |
| Special Events Generator | Hardware-monitored loop states (e.g., overcurrent, overvoltage, thermal fault) reported without CPU intervention - lowers firmware latency and improves reliability. |
| Configurable leading-edge blanking | 0 ns, 50 ns, 100 ns, or 200 ns - suppresses switching noise on current sense signals without compromising response time. |
| AEC-Q100 Grade 1 qualification | Rated for −40°C to +125°C ambient operation - validated for automotive under-hood and industrial harsh-environment applications. |
Applications
| Battery Charger System | LED Lighting Driver |
|---|---|
Use Scenario: On-board 12V/24V lead-acid or Li-ion battery charger with CC/CV profile and thermal derating. IC Role / Device Role / Timing Role: Dual-channel controller manages primary boost stage (channel 1) and secondary buck or linear stage (channel 2) for precise charge current/voltage regulation. Use Value: Eliminates need for separate analog controllers and MCU; enables adaptive charge algorithms via firmware and real-time telemetry using integrated ADC and GPIOs. | Use Scenario: High-brightness LED streetlight with dimming, thermal foldback, and string fault detection. IC Role / Device Role / Timing Role: Controls two independent LED strings using flyback or boost topology; regulates current per string while monitoring forward voltage and temperature. Use Value: Achieves <±2% current matching between strings and <1% output stability over line/load/temperature - enabled by dual-loop control and internal 10× current sense amplifier. |
| Bidirectional DC-DC Converter | Industrial Power Supply |
Use Scenario: 48V–12V bidirectional converter for energy storage systems with regenerative braking and grid support. IC Role / Device Role / Timing Role: Implements synchronous buck-boost topology with channel 1 controlling battery-side switch and channel 2 controlling bus-side switch; manages direction, power flow, and protection. Use Value: Enables seamless transition between charging/discharging modes using single-chip firmware-controlled PWM timing and current limiting - no external sequencers required. | Use Scenario: Programmable lab power supply with remote sensing, overvoltage/overcurrent protection, and digital interface. IC Role / Device Role / Timing Role: Serves as main controller for adjustable output (0–36V, 0–5A) using SEPIC or Ćuk topology; handles voltage setpoint, current limit, and safety interlocks. Use Value: Delivers ±0.5% output accuracy and <100 µs fault response via hardware-based Special Events Generator - meets EN 61000-6-2/6-4 immunity requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digitally enhanced dual-channel PWM controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP19215T-E/MQ | 32-pin QFN with AUSART (TX/RX), extra ADC channel (AN7), dual capture/compare on GPB6/GPB7, AGND/DGND separation. | Required for UART-based host communication, additional analog monitoring, or advanced timing synchronization. | Select MCP19215T-E/MQ only if AUSART, AN7, or GPB6/GPB7 functionality is needed; otherwise MCP19214T-E/MQ offers identical PWM/analog performance in smaller footprint. |
| UCC28950PWPR | Fixed-function phase-shifted full-bridge controller; no MCU, no ADC, no programmability; 28-pin TSSOP. | Limited to isolated full-bridge topologies; lacks digital telemetry, adaptive control, or multi-topology flexibility. | Choose UCC28950PWPR for cost-sensitive, high-volume isolated PSFB designs where firmware customization is unnecessary. |
Compared with MCP19215T-E/MQ, the MCP19214T-E/MQ saves board space and BOM cost while retaining full dual-loop analog control and I²C capability; versus UCC28950PWPR, it trades fixed-function simplicity for field-upgradable firmware, real-time diagnostics, and topology versatility - critical for next-generation smart power systems.
Availability
MCP19214T-E/MQ is available at Aetrix Electronics and suitable for automotive battery management, LED lighting systems, bidirectional energy conversion, and industrial programmable power supplies requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MCP19214T-E/MQ 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 global semiconductor company specializing in microcontrollers, analog devices, FPGAs, and development tools - headquartered in Chandler, Arizona, with design centers and manufacturing facilities worldwide.
The MCP19214 product line delivers digitally enhanced power analog controllers that unify precision analog PWM control with programmable firmware intelligence - targeting automotive, industrial, and lighting applications demanding both high reliability and field adaptability.
FAQ
What topology configurations does the MCP19214T-E/MQ support?
The MCP19214T-E/MQ supports Boost, Flyback, SEPIC, Ćuk, and Buck-Boost topologies via its dual low-side gate drivers (PDRV1/PDRV2), differential current sense inputs (ISN1/ISP1, ISN2/ISP2), and flexible feedback architecture (VFB1/VFB2). Its peak-current-mode control and programmable slope compensation ensure stable operation across all supported configurations without external compensation redesign.
Does the MCP19214T-E/MQ include an integrated microcontroller?
Yes, the MCP19214T-E/MQ integrates a fully programmable 8-bit PIC microcontroller core with 8192-word Flash memory, 336-byte RAM, 10-bit ADC, I²C interface, and In-Circuit Serial Programming™ (ICSP™). This enables custom firmware for protection logic, communication protocols (e.g., PMBus), startup sequencing, and adaptive control - all within the same package as the analog PWM controllers.
How is current sensing implemented in the MCP19214T-E/MQ?
The MCP19214T-E/MQ implements current sensing using integrated differential amplifiers (10× gain) on each channel, with dedicated positive (ISP1/ISP2) and negative (ISN1/ISN2) inputs. It also provides primary current sense inputs (IP1/IP2) for direct connection to shunt resistors or transformer sense windings - enabling both low-side and high-side sensing configurations compatible with peak-current-mode control.
What is the purpose of the Special Events Generator in the MCP19214T-E/MQ?
The Special Events Generator in the MCP19214T-E/MQ is a hardware block that monitors regulating loop states (e.g., overvoltage, overcurrent, thermal fault) and asserts flags without CPU intervention. This reduces firmware latency, ensures deterministic fault response (<1 µs), and frees the MCU for higher-level tasks - making MCP19214T-E/MQ suitable for safety-critical automotive and industrial power systems.
Is the MCP19214T-E/MQ qualified for automotive applications?
Yes, the MCP19214T-E/MQ is AEC-Q100 Grade 1 qualified (−40°C to +125°C) and PPAP-capable. It includes automotive-grade features such as input UVLO/OVLO, thermal shutdown, robust ESD protection, and validated operation across automotive battery transients (48V/500 ms). Its 28-pin QFN package with exposed thermal pad ensures reliable thermal performance in under-hood environments.
MCP19214T-E/MQ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 28-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Output Type:
- PWM Signal
- Function:
- Step-Up/Step-Down
- Output Configuration:
- Positive
- Topology:
- Boost, Cuk, Flyback, SEPIC
- Number of Outputs:
- 2
- Output Phases:
- 2
- Voltage - Supply (Vcc/Vdd):
- 4.5V ~ 42V
- Frequency - Switching:
- 31.25kHz ~ 2MHz
- Duty Cycle (Max):
- -
- Synchronous Rectifier:
- Yes
- Clock Sync:
- Yes
- Serial Interfaces:
- I2C
- Control Features:
- Dead Time Control, Frequency Control, Ramp, Soft Start
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 28-QFN (5x5)
MCP19214T-E/MQ FAQ
1.How can I place an order for MCP19214T-E/MQ through Aetrix?
Please submit a Request for Quotation (RFQ) for MCP19214T-E/MQ 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 MCP19214T-E/MQ reliable?
The price and inventory of MCP19214T-E/MQ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MCP19214T-E/MQ is usually 5 days.
3.What payment methods are accepted for MCP19214T-E/MQ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MCP19214T-E/MQ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MCP19214T-E/MQ?
MCP19214T-E/MQ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MCP19214T-E/MQ 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 MCP19214T-E/MQ?
For technical support, including MCP19214T-E/MQ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MCP19214T-E/MQ requirements.
6.How does Aetrix verify that MCP19214T-E/MQ is sourced from the original manufacturer or authorized distributors?
All MCP19214T-E/MQ 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 MCP19214T-E/MQ meets industry standards.
7.What is the process for return or replacement of MCP19214T-E/MQ?
All MCP19214T-E/MQ units undergo pre-shipment inspection (PSI). If there is an issue with MCP19214T-E/MQ, 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 MCP19214T-E/MQ part is unused and in its original packaging.
Return procedure for MCP19214T-E/MQ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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