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Recruit Ref: L050506271
Posting Date: 2022-08-15
Totex International Limited

Totex International Limited provides power solutions since 1985. We are a leading manufacturer of rechargeable battery packs in Hong Kong, with manufacturing plants also in the United States. We have over 300 employees. We would like to invite applicants for the following vacancy.

Electrical & Electronics Engineer (Software)

Duties/Scope:

  • Perform design and development of re-chargeable battery power storage products.
  • Build prototypes and perform software debugging and evaluation.
  • Perform testing, evaluation, failure analysis and report.
  • Participate and contribute in product research and design proposal.

Requirements:

  • Diploma/Degree or above in Electrical and Electronics Engineering.
  • 5+ years solid hands-on in electrical & electronic design, prototyping, testing hardware and software development.
  • Experience in MCU, (8- 16- 32-bit ARM) for control and communication SPI, RS232/RS485/Modbus, I2C/SMBus, CAN.
  • A good understanding and working knowledge of BMS for re-chargeable battery, battery electronics, protocols and international safety standard requirements (IEC, CE, UN, UL etc) is advantageous.
  • Knowledge/experience in Electric Vehicle charging and protocols (CCS, Chademo, GB) is a definite plus.
  • Able to define test strategy, test plan, handle failure and risk analysis, FMEA, DFM process.
  • Wireless and Serial Communication Protocols Coding/Programming (Physical, Data packets and application)   
  • UART/RS232,RS485, USB/Virtual COM, I2C/SMBus,CAN 2.0B
  • Wifi, Bluetooth, NFC

Several of the below skills/experience:

  • Li-ion Battery Management System Design & Development
  • High Cell Count Battery Module (Monitoring, Protections, Fuel Gauging, Communication and Controls)
  • Modular (Multi Standardized Battery Modules) Energy Storage System (KWh) - Monitoring, Power Computation & Distribution Controls      
  • Battery Safety Design & Handling of Thermal and Over Power in Recharge and Discharge
  • Distributed Power Conversion Controls
  • EMC EMI & Surge Suppression Filter
  • Analog Comparator, Shut and Magnetic Current Sensing
  • Converter and Inverter Interface Controls (3-phase AC-DC, DC-AC, DC 50V-to-500V+)
  • Combination and Distribution Controls of AC-DC, DC-DC and Re-chargeable Battery Mass Energy Storage
  • AGV Application Design & Development
  • Duel BLDC Motors System Navigation Controls with Gyro Sensor
  • Anti-collision using Camera Images, Ultrasonic & Lidar Scanner Data 
  • Automatic route planner and control programming of given map (Point-to-Point with intermediate controls)
  • Wifi & Mobile Data (4G or 5G networks) communication and processing with data centre
  • EVSE-EV Charger Interface and Protocols of EV Charging Controls Programming (CAN)
  • CCS [AC and Rapid DC] - GRIDWIZ Peppermint, Simplemint, and others
  • CHAdeMO
  • GB (China)

On - the - job training is provided.

Please email to sklye@totexsg.com & dorispak@totex.com.hk .


Summary
Industry:
Manufacturing / Industrial 
Job Category / Function:
Job Position Level:
Middle 
Employment Term:
Full Time / Permanent 
Min. Edu. Level Req:
Diploma 
Minimum QF Level attained:
-- 
Total Working Exp:
5 or above 
Salary(HKD):
--
Benefits:
  • On-the-job training
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