HALO Microchip Automotive-Grade Power Chips
Technical Deep Dive

Why Choose HALO Microchip

HALO Microelectronics Co., Ltd. (Inventory Code: 688173) is a leading domestic analog IC design enterprise, specializing in high-performance analog and mixed-signal chip R&D and sales. Its HALO brand Automotive-Grade Power Management ICs have established a mature mass production supply system and reliable quality reputation in the automotive electronics market.

As HALO Microchip's primary distributor, Etamicro provides customers with one-stop service from selection consulting, sample support to mass production supply, helping customers accelerate the domestic alternative process. The following in-depth analysis is conducted from two dimensions: product system and technology advantages:

Product System: Full Coverage of Four Core Categories

I. DC/DC Converters

DC/DC converters are core components of automotive power architecture. HALO Microchip provides full-series automotive grade products from step-down (Buck) to step-up (Boost) to buck-boost, covering 3.5V-40V wide input voltage range, output current from 0.5A to 10A, with the entire series passing AEC-Q100 certification. Core capabilities include:

• High-efficiency synchronous rectification architecture, peak efficiency up to 95%+, effectively reducing system power consumption and thermal load
• Fixed frequency and adjustable frequency dual series, supporting EMI optimization design
• Complete protection mechanisms: Over-Current Protection (OCP), Over-Temperature Protection (OTP), Under-Voltage Lockout (UVLO)
• Compact package and high integration options, supporting space-sensitive applications such as ADAS Domain Controllers and Smart Cockpit

II. LDO Low Dropout Regulators

For noise-sensitive analog loads (such as RF modules, sensor interfaces, CAN/LIN transceivers), low-noise LDO is the ideal power supply solution. HALO Automotive Grade LDO products feature ultra-low output noise (≤15μV RMS) and high Power Supply Rejection Ratio (PSRR ≥ 70dB @1kHz), effectively isolating front-stage power supply ripple interference and ensuring stable operation of sensitive circuits.

III. High/Low-Side Switch ICs

Driver-type High/Low-Side Switches are fundamental components for Control and power distribution systems. HALO product line covers single-channel to multi-channel, high current (up to 20A) specifications, supporting PWM dimming and diagnostic functions, which can replace traditional fuse + relay solutions, significantly reducing PCB area and improving system reliability.

IV. PMIC Multi-Channel Power Management ICs

For multi-rail power supply requirements of SoC main control chips (such as Qualcomm, MediaTek, Mobileye platforms), HALO provides higher-integration PMIC solutions. Single-chip integrates 3-6 channel DC/DC or LDO outputs, supports I²C/SPI programmable configuration, meeting unified power management requirements for complex platforms such as ADAS Domain Controllers and Smart Cockpit entertainment systems.

Mass Production Verification: Covering Mainstream Domestic and International Brands

HALO Microchip's automotive grade products are not just at the "sample stage", but have undergone large-scale mass production verification. Product reliability and supply stability have been fully tested by the market:

• Since 2018, large-volume shipments to Hyundai and Kia models through YuraTech, opening up the international market
• For domestic brands, entered the supply chains of Xiaopeng, Hongqi, Wenjie, Changan and other mass production models
• During 2025 Shanghai Auto Show, HALO Microchip exhibited the latest automotive power chip series at the China Automotive ICs Achievement Exhibition Area, attracting following from mainstream Tier 1 and vehicle manufacturers
• Won the "2025 Electronic Components Industry Excellent Automotive Electronics Chip Domestic Alternative Pioneer" title, market recognition continues to improve

Etamicro: HALO Microchip Tier-1 Distributor

As HALO Microchip's primary distributor, Etamicro has a complete automotive electronics FAE support team, providing customers with:

• Selection Support: Quickly recommend suitable part numbers based on customer platforms (Qualcomm, MediaTek, NXP, TI, etc.)
• Sample Service: Batch sample fast application, supporting schematic review and reference designs
• Technical Support: Cooperate with original FAE to provide application debugging, EMI optimization and reliability testing guidance
• Stable Supply: Relying on Etamicro supply chain resources to ensure long-term stable delivery

Outlook: Golden Period for Domestic Automotive ICs

Under the backdrop of accelerating penetration of automotive electrification and intelligence, Automotive-Grade Power Management ICs demand continues to grow. At the same time, driven by both supply chain security and domestic alternative trends, domestic chip manufacturers like HALO Microchip with mature mass production experience, complete product matrix and quality system are welcoming unprecedented market opportunities.

Etamicro will continue to deepen strategic partnership with HALO Microchip, jointly promoting domestic automotive ICs to accelerate vehicle adoption, contributing to the self-controllability of China's automotive industry.