Power management

We have a proven achievement of designing a variety of custom power supplies up to several kW, both in insulated and non-insulated configurations.
With our development experience, we can select the optimal circuit configuration to meet your requirements and needs and provide outsourcing design services for your power supply.
INDEX

Analog MACRO development

Circuit method Feature of development achievements
LDO We offer a range of services, including reference voltage sources (BGR type, Vth type), optimal phase compensation, and protection circuit proposals (such as L-shaped, drop, surge current, and short-circuit current limiting), high-precision output voltage, low power consumption, high current capability, high PSRR, and low noise compatibility.
DCDC We offer a range of services, including voltage/current mode, step-down/step-up/buck-boost configurations, high-precision output voltage compatibility, PWM/PFM automatic switching, frequency spreading, various protections, multi-phase compatibility, controller type, and diode rectification.
Charge pump 0.5 times to 3 times, 36 times (108 V output), automatic variable (0.5, 1.0, 1.5, 2, 3 times) function, etc.
LDO Analog MACRO development achievement and range of support
DCDC Analog MACRO development achievement and range of support
The range of services provided may differ depending on conditions or limitations. Please contact us for more details.

PMIC ①

Feature

Usage Automotive
Function
  • Our step-down DCDC converters are flexible in responding to external components as controllers, high precision output, and voltage regulation.
  • Boost DCDC
  • Large number of regulated power supplies
  • Multiple detectors
Point
  • We can evaluate and select the optimal power supply circuit configuration based on your specifications and understand the operation of the entire chip, including proposing noise characteristics and protection functions.

Block Diagram

PMIC ②

Feature

Usage For MCU
Function
  • BGR (good temperature characteristics)
  • Various detectors
  • Our stabilization power supplies use a three-stage amplifier configuration for high-speed transient response and high-precision output voltage.
Point
  • We propose methods to minimize drop and reduce power consumption while achieving high-speed response.

Block Diagram

PMIC ③

Feature

Usage For IoT devices
Function
  • Simple step-down DCDC (configuration specialized for power dissipation)
  • Regulated power supply (high PSRR)
  • Low consumption
Point
  • We consider the feasibility of the acceptable loss in the conventional configuration and propose circuit improvements to minimize project duration and cost.
  • We can also provide noise countermeasures specific to communication equipment.

Block Diagram

Protection circuit

Feature

Usage Lithium battery protection circuit
Function
  • 1 cell, 2 cells or more
  • Battery protection, second protection, voltage monitoring, etc.
  • High accuracy of detection voltage, good temperature characteristics, support for communication function
Point
  • Design considering lithium battery characteristics and external components

Block Diagram

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Achievements / Case