As the Primary Distributor of HALO Microchip (HALO Microelectronics, Stock Code: 688173) in China, Etamicro Technical Team has compiled this comprehensive Automotive Electronics Product Panorama Analysis by integrating HALO Microchip's official product documentation and publicly available information from their website. This article covers the complete product line including DC-DC Converters, LDO Regulators, High/Low-Side Switches, Camera PMICs, Motor Drivers, etc., providing selection references for Automotive Electronics Tier 1 suppliers and solution providers.
01 Company Overview: Specialized Analog ICs Powerhouse on the STAR Market
HALO Microelectronics Co., Ltd. was established in 2012. The founding team came from Fairchild Semiconductor, specializing in the design of Power Management ICs and analog Signal Chain ICs. The company went public on the Shanghai STAR Market in January 2022.
HALO Microchip's core competencies lie in its four major product lines: High-Performance DC-DC, PMIC, Interface Protection, and Load Switches, widely used in mobile communications, consumer electronics, cloud computing, and Automotive Electronics fields.
Its Automotive Electronics Business Unit (ACC BU) has successfully penetrated the supply chains of multiple mainstream vehicle brands including Audi, Hyundai, Xpeng, Hongqi, and AITO, leveraging Qualcomm Reference Designs as the entry point.
Certified by Mainstream Automotive Brands in Mass Production
Note: The above information is sourced from HALO Microchip's official product documentation
02 DC-DC Converter: Full Coverage of Buck / Boost / Buck-Boost
🎯 Product Positioning & Core Advantages
Buck Converter
- • Input Voltage: 2.5V~40V
- • Output Current: up to 20A (dual 10A)
- • I2C Programmable, DVS Dynamic Voltage Scaling
- • 2.4MHz High Switching Frequency, reduces external component size
Boost Controller
- • Input Voltage Range: 4.5V~40V
- • IQ as low as 14µA, ultra-high light-load Efficiency
- • Spread Spectrum Technology (SSC) reduces EMI
- • 100% Duty Cycle, supports wide output range
📋 Buck Converter Selection Guide
| Part Number | Channels | Input Voltage | Output Current | Output Voltage | Control Method | Competitive Benchmark |
|---|---|---|---|---|---|---|
| HL7509 | 1ch | 5V | 5A cont. | 0.6~1.23V | I2C | NCV6356 |
| HL7800 | 2ch/4ch | 5V | 10A/ch | 0.3~2.0V | I2C/Preset | — |
| HL8112 | 1ch | 12V | 12A cont. / 15A peak | 0.5~5.5V | I2C/FB | MPQ8867/9 |
| HL8002 | 1ch | 36V | 2A | ≥1V | FB | LMR33620 |
| HL8003 | 1ch | 40V | 3A | ≥1V | FB | LMR33630 |
| HL8006 | 1ch | 40V | 6A | ≥1V | FB | LMQ61460 |
| HL8008 | 1ch | 40V | 8A | ≥1V | FB | LMQ61480 |
📋 Boost Controller Selection Guide
| Part Number | Channels | Input Voltage | Output Voltage | Quiescent Current IQ | Package | Competitive Benchmark |
|---|---|---|---|---|---|---|
| HL8021 | 1ch | 4.5~40V | Max 40V | 14µA | QFN-16 3×3mm | LTC7804 |
| HL8022 | 1ch | 4.5~40V | Max 40V | — | — | LM3478 |
Star Product: HL7509 — Designated DVS Power Chip for Qualcomm 820A Platform GPU
03 LDO Regulator: Ultra-High PSRR, Wide Voltage Input
🔑 Core Advantages
- • Input Voltage: 4.5V~40V (supports 12V/24V systems)
- • PSRR up to 76dB@1kHz (Industry-leading level)
- • Ultra-low dropout: only 500mV at 100mA load
- • Forward/reverse overcurrent protection, automatic fault reporting
- • Supports open-circuit detection, Accuracy down to 2mA
🏭 Certification & Package
- • AEC-Q100 Grade1 Certification
- • Operating junction temperature range: -40°C ~ +125°C
- • HTSSOP-16 Package
- • BOM compatible with TI TPS7B770x series
📋 LDO Regulator Selection Guide
| Part Number | Channels | Input Voltage | Output Current | Output Voltage | PSRR | Features |
|---|---|---|---|---|---|---|
| HL8740 | 1ch | 30V | 50mA | — | 70dB@1kHz | Forward/reverse overcurrent protection |
| HL8742 | 1ch | 36V | 150mA | — | — | Ultra-low Iq 2µA |
| HL8743-01 | 1ch | 40V | 300mA | 1.5~20V | 76dB@1kHz | Auto-retry after fault |
| HL8743-02 | 2ch | 40V | 300mA/ch | 1.5~20V | 76dB@1kHz | Dual-channel version |
| HL8745 | 1ch | 36V | 500mA | — | — | High load capability |
04 High-Side/Low-Side Switch: Precise Protection, ASIL-B Ready
HALO Microchip's High-Side Switch (HSS) product line covers single-channel, dual-channel, quad-channel, and multi-channel architectures. The entire series supports AEC-Q100 Grade1 Certification and complies with ISO 7637-2 automotive electrical transient immunity standards, with current limiting Accuracy up to ±5% (500mA range).
Compared to similar products from TI and Infineon, HALO Microchip's High-Side Switches have competitive advantages in: BOM compatibility/pin compatibility, higher current limiting protection Accuracy, lower leakage current, and some part numbers do not require external anti-reverse connection circuits.
📋 Single-Channel High-Side Switch
| Part Number | Rds(on) | Input Voltage | Control Method | Diagnosis | Competitive Benchmark |
|---|---|---|---|---|---|
| HL85008A | 8mΩ | — | GPIO | Analog | BTS7008-1 |
| HL85008G | 8mΩ | — | GPIO | Analog | — Anti-reverse |
| HL85009A | 9.5mΩ | — | GPIO | Analog | BTS7010-1 |
| HL85009G | 9.5mΩ | — | GPIO | Analog | — Anti-reverse |
| HL85102A | 19mΩ | — | GPIO | Analog | BTS7040-1 |
| HL8518C | 80mΩ | 4~40V | Resistor Config | Analog | TPS1H100B |
📋 Dual-Channel High-Side Switch
| Part Number | Rds(on) | Input Voltage | Control Method | Interface | Competitive Benchmark |
|---|---|---|---|---|---|
| HL85201A | 12.7mΩ | — | GPIO | — | BTS7020-2 |
| HL85201J | 12.7mΩ | — | GPIO/I2C | I2C | — |
| HL85202K | 13.5mΩ | — | GPIO/I2C | I2C | — Anti-reverse |
📋 Quad-Channel High-Side Switch
| Part Number | Rds(on) | Input Voltage | Interface | Anti-Reverse | Competitive Benchmark |
|---|---|---|---|---|---|
| HL8545 | 50mΩ | 4~28V | — | — | VNQ7050 |
| HL8545G | 50mΩ | 4~28V | — | ✅ Built-in | VNQ7050 |
| HL85405A | 50mΩ | 4~28V | SPI | — | — |
| HL85405G | 50mΩ | 4~28V | SPI | ✅ Built-in | VNQ7050 |
Technical Highlight: HL8518 vs TI TPS1H100 Comprehensive Comparison
| Parameter | HL8518 (HALO Microchip) | TPS1H100 (TI) |
|---|---|---|
| Operating Current (Typical) | 1.43mA | 10mA |
| Sleep Current | 0.015µA | 0.5µA |
| On-Resistance | 80mΩ | 100mΩ (Typical) |
| Current Sensing Accuracy (1A) | ±0.1% | ±3% |
| Leakage Current (Ground Loss) | 0.8µA | 100µA |
05 Camera PMIC: Dedicated Integrated Solution for Automotive Camera Modules
HL8441 — Dedicated PMIC for Automotive Camera Modules
HL8441 is a highly integrated PMIC launched by HALO Microchip for automotive camera modules. It is planned to have AEC-Q100 Grade1 Certification and supports ASIL B Functional Safety Level, designed specifically for ADAS cameras and Domain Controllers.
Application Value
- ✅ Single Chip Replaces Multi-Chip Solution: One HL8441 replaces traditional 3 DC-DC + 1 LDO, reducing PCB area and BOM cost
- ✅ Functional Safety Compliance: Supports ASIL-B, meeting stringent Functional Safety requirements for ADAS camera systems
- ✅ Full Protection Mechanism: Comprehensive protection against overcurrent, overvoltage, overtemperature, and short circuits
- ✅ Suitable for Space-Constrained Camera Module Designs: TQFN-24L 4×4mm ultra-compact package
06 Motor Driver: Internal/External Power Stage, Covering BLDC/Stepper Motors
| Part Number | Power Stage | Rds(on) | PWM Frequency | Control Method | Charge Pump | Competitive Benchmark |
|---|---|---|---|---|---|---|
| HL8581M | External | — | 25kHz | SPI | External | TLE92108 |
| HL8507M | Internal | 70mΩ | 20kHz | PWM | Internal | VNH7070 |
| HL8510M | Internal | 100mΩ | 20kHz | PWM | Internal | VNH7100 |
| HL8540M | Internal | 400mΩ | — | I/O | External | MPQ6600L |
| HL8542M | Internal | 420mΩ | — | I/O | Internal | — |
| HL8550M | Internal | 500mΩ | — | I/O | External | MP6515 |
| HL8552M | Internal | 520mΩ | — | I/O | Internal | — |
HALO Microchip motor drivers support enhanced protection mechanisms such as Loss GND Protection and Loss Vbat Protection, suitable for Body Electronics applications (power mirrors, seat adjustment, sunroof motors, etc.).
07 AEC-Q Certified System: Quality Control Analysis
AEC-Q100 Certification
- ✅ Grade1: Operating Temp -40°C ~ +125°C (main products)
- ✅ Grade3: Operating Temp -40°C ~ +85°C (HL7509)
- ✅ Full-process automotive-grade control from wafer fabrication to package testing
- ✅ Failure rate (DPPM) below 1ppm
ISO 26262 Functional Safety
- ✅ HL8441 (Camera PMIC) supports ASIL-B Ready
- ✅ Switch products with diagnostic functions meet system-level Functional Safety design requirements
- ✅ Meet automotive safety standards for Power Management systems
Supply Chain & Package Quality Control
• Foundry: Dongbu HiTek (ensures Automotive Grade wafer fabrication)
• OSAT: Complies with IATF 16949 standards
• Regular on-site audits (at least once per year)
• Batch traceability fully covered
• 8D report mechanism (abnormal response time commitment)
• Factory abnormal excursion management process well-established
ISO 7637-2: Automotive electrical transient conduction immunity test. HALO Microchip High-Side Switch series all pass this test, meeting stringent requirements of automotive electrical environments.
08 Typical Application Scenarios
Smart Cockpit
SoC power, memory power, USB interface protection, display backlight driver
ADAS Camera
Front/side/rear view camera power, sensor power
Domain Controller
Autonomous driving domain, body domain core power, high-current AI chip power
Body Electronics
Power mirrors, seat adjustment, sunroof, window anti-pinch protection
BMS/Charging System
Onboard charging management, DC-DC pre-driver, 12V/24V system power
Cloud Computing & T-Box
Onboard T-Box communication module power, SSD storage power
09 Complete Product Quick Reference Table
| Product Category | Representative Part Number | Voltage/Current | Certification | Package | Highlights |
|---|---|---|---|---|---|
| Buck Converter | HL8112 | 12V in / 12A out | AEC-Q100 | QFN-14 | I2C DVS, Qualcomm 820A platform designated |
| Buck Converter | HL7800 | 5V in / 20A out | AEC-Q100 | 54B BGA | Dual 10A, single-chip PMIC replacement |
| Boost Controller | HL8021 | 4.5-40V / Max 40V | AEC-Q100 | QFN-16 | IQ only 14µA, spread spectrum EMI |
| LDO | HL8743 | 40V in / 300mA | AEC-Q100 G1 | HTSSOP-16 | PSRR 76dB, auto-retry |
| High-Side Switch | HL8518 | 40V / 80mΩ | AEC-Q100 G1 | HTSSOP-14 | Current limit accuracy ±5%, ISO7637 |
| High-Side Switch | HL8545 | 28V / 50mΩ Quad-channel | AEC-Q100 G1 | DFN-16 | Anti-reverse version optional, BOM compatible with VNQ |
| Camera PMIC | HL8441 | 4-18V / 3×BUCK+LDO | ASIL-B Ready | TQFN-24L | ASIL-B, 4×4mm ultra-compact package |
| Motor Driver | HL8510M | Internal 100mΩ | — | — | PWM control, Loss GND protection |
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📌 This article is based on HALO Microchip's official product documentation (October 2023 version PPT) and publicly available information from the official website, for selection reference only. Product parameters are subject to the original factory Datasheet.
Source: HALO Microelectronics Co., Ltd. (688173) | Etamicro (Suzhou) Electronics Technology Co., Ltd. Compiled and Published