Shenzhen Mingjiada Electronics Co., Ltd. as a globally renowned authorized independent distributor of electronic components, has dedicated nearly three decades to the power management sector, establishing a comprehensive portfolio of PMIC products from leading international brands. The company consistently supplies original-packaged power management integrated circuits encompassing the following core chip types, widely applied in new energy vehicles, industrial control, 5G communications, and consumer electronics:
I. Voltage Regulation and Conversion Chips
1. DC-DC Converters
Buck Converters: High-efficiency synchronous rectification topologies, such as MPQ2178GQHE-AEC1-Z (automotive grade), ISL80102 (95% efficiency), RAA214401 (automotive grade 4A synchronous buck)
Boost Converters: Support lithium battery boost applications, e.g., ISL91107 (2.4MHz high-frequency)
Buck-Boost Converters: TPS53831RWZR for DDR5 server DIMM power management, supporting wide input voltage range
2. Low Dropout Linear Regulators (LDO)
Low-noise, high-precision LDOs for noise-sensitive circuits, e.g., RP512 series, ISL80510 (1A output, ultra-low quiescent current)
3. AC-DC Controllers
Offline switching power supply controllers for adapters, LED drivers, and home appliance power supplies
PFC power factor correction controllers to enhance power supply efficiency
4. Voltage Reference ICs
High-precision voltage reference sources providing stable reference voltages for ADCs/DACs
II. Battery Management ICs
1. Battery Charging Management ICs
Supports fast charging solutions for various battery types including Li-ion and Li-polymer
Integrated charging path management optimizes charging efficiency
2. Battery Protection IC
Provides overcharge, over-discharge, overcurrent, and short-circuit protection for safe battery operation
e.g., BQ2969 overvoltage protector for Li-ion/LiFePO4 battery packs
3. Battery State-of-Charge Monitor
BQ34Z110 lead-acid battery monitor with Impedance Track™ technology, achieving 95% accuracy
Intelligent capacity calculation extends device runtime
4. Battery Monitor
BQ76922 3-5 cell Li-ion battery monitor with overvoltage/undervoltage protection
III. Power Path & Load Switch ICs
1. Load Switch
Controls power switching to reduce standby power consumption
Integrated soft-start and overcurrent protection
2. Power Path Management IC
Optimizes power distribution strategies to enhance overall system efficiency
Supports seamless primary/backup power switching
3. USB Power Switch and Charging Port Controller
Compliant with USB-PD fast charging protocol, supports multi-port intelligent power distribution
Integrated port protection and status monitoring functions
IV. Power Driver ICs
1. MOSFET/IGBT Gate Drivers
High-speed gate driver ICs, matched to power switch device characteristics
Integrated dead time control and fault protection
V. System-Level Integrated PMICs
1. Multi-Channel Power Management IC
Highly integrated solutions, e.g., STPMIC1DPQR fully integrated PMIC with four synchronous buck converters controlled via I2C by host processor
MAX25249/MAX25249B quad-output PMIC with three DC-DC converters and one high PSRR LDO, featuring OV/UV monitoring
2. Power over Ethernet (PoE) ICs
Support IEEE 802.3af/at/bt standards, e.g., TPS2372 and TPS2373 series
Suitable for network switches, IP cameras, wireless APs, and similar devices
VI. Protection and Monitoring ICs
1. Overvoltage/Overcurrent Protection ICs
Real-time monitoring of voltage and current states with rapid response to abnormal conditions
2. Voltage Monitors
System power supply voltage monitoring to ensure stable operation of MCUs/SoCs
VII. Feature-Specific PMICs
1. LED Drivers
Constant-current drive solutions supporting dimming control and thermal management, widely used in automotive and general lighting
2. Automotive-Grade PMICs
Compliant with AEC-Q100 automotive certification, supporting ASIL-D functional safety level
Integrated power management for CAN/LIN transceivers
Supply Brand Matrix: Mingjiada Electronics supplies original PMICs from leading international manufacturers including TI, Onsemi, MPS, Renesas, ADI, and ST. All products originate from authorized channels, ensuring 100% genuine authenticity.
Contact Us:
Contact: Mr. Chen
Phone: +86 13410018555
Email: sales@hkmjd.com
Website: www.integrated-ic.com
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