Power Management Module for Graphics Interface Controllers

Product Specifications

Technical details and manufacturing context for Power Management Module

Definition

The Power Management Module is a specialized electronic component integrated into a Graphics Interface Controller. Its primary function is to manage power delivery, voltage regulation, and power sequencing to ensure stable operation of graphics processing units, memory interfaces, and display outputs while optimizing energy efficiency. This module converts input power to required voltage levels using switching regulators and linear regulators, implements power sequencing to prevent latch-up conditions, monitors current consumption for protection, and may include dynamic voltage/frequency scaling features to balance performance with power consumption.

Key specifications include an input voltage range of 9–36 V DC, suitable for automotive and industrial applications, and a fixed output voltage of 5 V DC for logic circuits. It provides a continuous output current of 3 A, with derating above 70°C. Output ripple is ≤50 mV p-p measured at full load with 20 MHz bandwidth. Line regulation is ±1% over the full input range, and load regulation is ±2% from 10% to 100% load. Efficiency is ≥90% at nominal input and full load. Operating temperature ranges from -40 to 85°C, with storage temperature from -55 to 125°C. The module offers IP67 ingress protection per IEC 60529, isolation voltage of 1500 V DC (input to output, 1 minute), and dimensions of 25.4×15.2×10.2 mm (L×W×H) with a typical weight of 15 g. Materials include silicon semiconductor, copper traces, FR-4 substrate, and solder mask.

This module is designed for use in graphics interface controllers where reliable power management is critical. When selecting or verifying this component, confirm model-specific values and standards with the legal manufacturer or supplier, as the listed parameters are reference ranges. The module's working principle involves converting input power, sequencing power rails, and protecting against overcurrent conditions. Maintenance signals include monitoring output voltage and current for deviations from specified tolerances. Failure boundaries include operating outside the specified input voltage range, exceeding temperature limits, or subjecting the module to conditions beyond its ingress protection rating.

Working Principle

The Power Management Module operates by accepting a wide input voltage range (9–36 V DC) and converting it to a regulated 5 V DC output using a combination of switching and linear regulators. It implements power sequencing to ensure that different sub-circuits power up in the correct order, preventing latch-up conditions. The module continuously monitors current consumption and provides protection against overcurrent conditions. It may also incorporate dynamic voltage/frequency scaling to adjust power delivery based on processing demands, balancing performance with energy efficiency. The output is filtered to maintain low ripple (≤50 mV p-p) and stable regulation under varying load conditions.

Common Materials

Silicon semiconductor, Copper traces, FR-4 substrate, Solder mask

Technical Parameters

Parameter	Typical range	Notes & selection driver
Input Voltage Range	9–36 V DC	Wide input for automotive and industrial
Output Voltage	5 V DC	Fixed output for logic circuits
Output Current	3 A	Continuous, derate above 70°C
Output Ripple	≤50 mV p-p	Measured at full load with 20 MHz bandwidth
Line Regulation	±1 %	Over full input range
Load Regulation	±2 %	From 10% to 100% load
Efficiency	≥90 %	At nominal input and full load
Operating Temperature	-40–85 °C	Ambient, no derating
Storage Temperature	-55–125 °C	Non-operating
Ingress Protection	IP67	Dust-tight and waterproofIEC 60529
Isolation Voltage	1500 V DC	Input to output, 1 minute
Dimensions (L×W×H)	25.4×15.2×10.2 mm	Standard DIP package
Weight	15 g	Typical

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Buck Converter
Steps down input voltage to lower levels for core logic

Material: Silicon MOSFETs, inductors, capacitors
LDO Regulator Part
Provides clean, low-noise power for sensitive analog circuits

Material: Silicon transistors, resistors
Power Sequencing Controller
Controls turn-on/turn-off order of different voltage rails

Material: Digital logic gates, flip-flops
Current Sense Amplifier
Monitors current consumption for overload protection

Material: Operational amplifiers, precision resistors
Thermal Protection Circuit Part
Shuts down module if temperature exceeds safe limits

Material: Thermistors, comparators

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Power Management Module.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Graphics Interface Controller

View system integration details

Manufacturers of Power Management Module

5 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Himax Technologies, Inc.

Taiwan, CN

Also makes: Operational Amplifier, Timing Controller, Power Management and 3 more