MC34PF8150
MC34PF8150 is a 12-channel PMIC with 7 buck converters and 4 LDOs for i. MX 8 and high-performance processors.
Product Overview
Description
The MC34PF8150 is a power management integrated circuit (PMIC) designed for high-performance i. MX 8 and non-NXP processor-based applications.
It features seven high-efficiency buck converters and four linear regulators for powering the processor, memory, and miscellaneous peripherals.
Built-in one-time programmable (OTP) memory stores key startup configurations, significantly reducing the number of external components typically used to set output voltage and sequence of external regulators.
Product Series
MC
Primary Application
i. MX 8 processor-based systems
Key Features
- Seven high-efficiency buck converters for core and peripheral power
- Four linear regulators with load switch options
- RTC supply and coin cell charger for battery backup
- Watchdog timer and monitor for system safety
- Monitoring circuit for all regulators
- One-time programmable device configuration
- 3.4 MHz I2C communication interface
- 56-pin 8x8mm QFN package for compact designs
Specifications
| Input Voltage | 2.7V to 5.5V |
|---|---|
| Buck Converters | 7 high-efficiency bucks |
| Linear Regulators | 4 LDOs with load switch options |
| OTP Memory | One-time programmable configuration |
| I2C Interface | 3.4 MHz I2C communication |
| Package | 56-pin HVQFN 8x8mm |
| Operating Temperature | -40°C to +105°C (Industrial) |
| Watchdog | Integrated watchdog timer/monitor |
| RTC Supply | Coin cell charger included |
Applications
i. MX 8 processor-based systems
Electronic system design
Industrial control systems
Industrial automation and control
High-performance consumer electronics
Consumer electronics
Automotive infotainment
Automotive and EV electronics
Medical devices
Medical electronics
FAE Expert Insights
"The MC34PF8150 is my go-to recommendation for i. MX 8 applications. The OTP configuration saves significant BOM cost by eliminating external voltage setting resistors. I've deployed this in numerous industrial and automotive designs with excellent results. The integrated watchdog and voltage monitoring provide robust safety features. The seven buck converters provide excellent flexibility for complex processor power trees. I particularly appreciate the coin cell charger for RTC backup. When implementing, pay close attention to the power-up sequencing requirements in the datasheet."
Excellent PMIC for i. MX 8 with OTP configuration
— Michael Zhang, BeiLuo
Frequently Asked Questions
What processors is MC34PF8150 compatible with?
MC34PF8150 is designed for i. MX 8 series processors including i. MX 8QuadXPlus, i. MX 8QuadMax, and i. MX 8M Mini. It also supports non-NXP processors with similar power requirements. Multiple OTP variants are available for specific processor and memory combinations.
Select OTP variant based on your specific processor and memory configuration. Contact FAE for guidance.
What is OTP memory and why is it important?
OTP (One-Time Programmable) memory stores power-up configuration including voltage levels, sequencing, and timing. This eliminates external voltage setting resistors and sequencing circuits, reducing BOM cost and board space. OTP is programmed during manufacturing and cannot be changed afterward.
Choose OTP variant carefully as it cannot be changed. Contact FAE for custom OTP if standard variants don't meet your needs.
What safety features does MC34PF8150 include?
MC34PF8150 includes comprehensive safety features: watchdog timer/monitor, voltage monitoring for all regulators, overvoltage and undervoltage protection, overcurrent protection, and thermal shutdown. These features ensure safe operation and protect the processor and system.
Utilize all safety features for robust system design. Configure watchdog timeout based on system requirements.
What is the typical application circuit complexity?
MC34PF8150 significantly reduces external component count compared to discrete solutions. Typical application requires only input/output capacitors and inductors for bucks. OTP eliminates voltage setting resistors and external sequencing circuits. Reference designs are available showing complete application circuits.
Follow reference design for optimal performance. Contact FAE for application-specific circuit review.
How do I select the correct OTP variant?
NXP provides multiple OTP variants pre-configured for specific processors and memory types. For example, MC34PF8150CFTS is configured for i. MX 8QXP with DDR3L, while MC34PF8150EPTS is for i. MX 8QM with LPDDR4. Check the ordering information table in the datasheet or contact FAE for guidance.
Match OTP variant to your processor and memory configuration. Contact FAE if uncertain.