Overview
The MC34PF1550A6EP is a power management integrated circuit (PMIC) designed by NXP USA Inc. specifically for use with i.MX processors in low-power portable, smart wearable, and Internet-of-Things (IoT) applications. This PMIC is optimized to provide efficient power management, reducing overall system power consumption and enhancing the performance of the associated processor.
Key Specifications
| Parameter | Description |
|---|---|
| Package | 40-pin QFN 5.0 mm x 5.0 mm with exposed pad |
| Operating Temperature | −40 °C to 105 °C (for industrial applications) |
| Voltage Regulators | 3 Buck regulators (BUCK1, BUCK2, BUCK3), 3 LDO regulators (LDO1, LDO2, LDO3) |
| Buck Regulator Outputs | BUCK1: 0.6 V to 1.3875 V (DVS), 1.1 V to 3.3 V (no DVS), 1.0 A BUCK2: 0.6 V to 1.3875 V (DVS), 1.1 V to 3.3 V (no DVS), 1.0 A BUCK3: 1.8 V to 3.3 V, no DVS |
| LDO Regulator Outputs | LDO1: 0.75 V to 3.3 V, 300 mA LDO2: 1.8 V to 3.3 V, 400 mA LDO3: 0.75 V to 3.3 V, 300 mA |
| Charger | Battery supplement mode, battery discharge overcurrent protection up to 3.0 A, JEITA-compliant battery temp sensing and charger control |
| Interface | I2C Control Interface for processor control and event detection |
| Other Features | RTC supply VSNVS 3.0 V, 2.0 mA, DDR memory reference voltage VREFDDR, OTP memory for device configuration |
Key Features
- Integrated 50 mΩ battery isolation MOSFET for operation with no/low battery
- Battery supplement mode and battery discharge overcurrent protection up to 3.0 A
- JEITA-compliant battery temperature sensing and charger control
- Programmable LED driver (status indicator)
- I2C Control Interface permitting processor control and event detection
- User programmable start-up sequence, timing, soft-start, and power-down sequence
- Programmable regulator output voltages and charger parameters
- RTC supply VSNVS 3.0 V, 2.0 mA
- DDR memory reference voltage VREFDDR, 0.5 V to 0.9 V, 10 mA
- OTP (One time programmable) memory for device configuration
Applications
The MC34PF1550A6EP is designed for use in various low-power applications, including:
- Portable devices
- Smart wearables
- Internet-of-Things (IoT) devices
- Industrial automation systems
- Consumer electronics requiring efficient power management
Q & A
- What is the primary function of the MC34PF1550A6EP?
The MC34PF1550A6EP is a power management integrated circuit (PMIC) designed to manage power efficiently in low-power portable, smart wearable, and IoT applications. - What types of voltage regulators does the MC34PF1550A6EP include?
The PMIC includes 3 Buck regulators and 3 LDO regulators. - What is the operating temperature range of the MC34PF1550A6EP?
The operating temperature range is −40 °C to 105 °C. - What interface does the MC34PF1550A6EP use for processor control and event detection?
The PMIC uses an I2C Control Interface. - Does the MC34PF1550A6EP support battery temperature sensing?
Yes, it supports JEITA-compliant battery temperature sensing and charger control. - Can the regulator output voltages be programmed?
Yes, the regulator output voltages and charger parameters can be programmed. - What is the purpose of the OTP memory in the MC34PF1550A6EP?
The OTP memory is used for device configuration. - Does the MC34PF1550A6EP have a built-in RTC supply?
Yes, it has an RTC supply VSNVS of 3.0 V, 2.0 mA. - Is the MC34PF1550A6EP suitable for industrial applications?
Yes, it is suitable for industrial applications due to its operating temperature range and other features. - What package type does the MC34PF1550A6EP come in?
The PMIC comes in a 40-pin QFN package with an exposed pad.
