MCP19118T-E/MJVAO Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
The MCP19118T-E/MJVAO is an automotive-grade programmable analog PWM switching controller from Microchip, qualified to AEC-Q100 for demanding vehicular environments. It integrates a hybrid analog-digital architecture supporting buck, boost, and buck-boost topologies in a 24-pin 4×4 mm QFN package. Suited for 12 V automotive rail regulation, LED drivers, and DC/DC modules requiring ISO TS 16949 traceability.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 24
- Lifecycle
- ACTIVE
- Datasheet
- MCP19118T-E/MJVAO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.1600(MOQ 100)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- AEC-Q100 and TS 16949 qualified for automotive-grade power supply designs
- Programmable analog PWM controller supporting buck, boost, and buck-boost topologies
- Compact 24-pin 4×4×0.9 mm QFN package with exposed thermal pad for efficient heat dissipation
- Hybrid analog-digital architecture enabling fast transient response with digital configurability
Applications
The MCP19118T-E/MJVAO is designed for automotive DC/DC converter modules that regulate 12 V battery bus power to lower-voltage rails for ECUs, sensors, and infotainment systems. Its AEC-Q100 qualification and ISO TS 16949 compliance make it a reliable choice for body control modules and advanced driver-assistance system (ADAS) power stages. It is also applicable in industrial switching converters and LED lighting drivers requiring programmable PWM control in a compact footprint.
Specifications
| Manufacturer Package Code | QFN-24 |
| Factory Lead Time | 8Weeks |
| YTEOL | 18 |
| JESD-30 Code | S-PQCC-N24 |
| JESD-609 Code | e3 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC24,.16SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Screening Level | AEC-Q100; TS 16949 |
| Supply Voltage-Max | 40V |
| Supply Voltage-Min | 4.5V |
| Supply Voltage-Nom | 12V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | SWITCHING CONTROLLER |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What automotive qualification standards does the MCP19118T-E/MJVAO meet?
The MCP19118T-E/MJVAO is qualified to AEC-Q100 for automotive IC reliability and manufactured under TS 16949 quality management standards. These qualifications ensure the device meets automotive-grade temperature cycling, ESD, and long-term reliability requirements, making it suitable for under-hood and cabin electronics operating across at least a -40°C to +125°C temperature range.
Which power converter topologies can be implemented with the MCP19118T-E/MJVAO?
This programmable PWM controller supports buck (step-down), boost (step-up), and buck-boost (inverting or non-inverting) topologies, giving engineers flexibility to design single-inductor converters for diverse voltage rail requirements. For a 12 V automotive input, it can generate 3.3 V or 5 V regulated outputs at switching frequencies determined by external components, typically ranging from hundreds of kHz to several MHz.
What is the package footprint, and how does the exposed thermal pad benefit high-power designs?
The MCP19118T-E/MJVAO uses a 24-pin QFN measuring 4×4×0.9 mm with a central exposed thermal pad that transfers heat directly to the PCB copper plane. This slug-down mounting reduces junction-to-board thermal resistance, allowing the controller to operate at higher power throughput without exceeding the maximum junction temperature. The thin 0.9 mm body height is advantageous in low-profile automotive module assemblies.
How does the hybrid analog-digital architecture of the MCP19118T-E/MJVAO compare to a purely analog PWM controller?
Unlike a purely analog PWM controller that relies solely on resistor-capacitor compensation networks, the MCP19118T-E/MJVAO combines fast analog feedback loops with digital programmability, enabling loop parameters such as switching frequency and soft-start ramp time to be set via configuration rather than discrete component changes. This reduces external component count by several passive elements and shortens design iteration cycles when adapting the same silicon to 5 V, 3.3 V, or sub-1 V output rails.
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