Hangzhou Tiecheng Information Technology Co., Ltd.

Tiecheng's fourth-generation 6.6 kW onboard charger (OBC) designed for AC slow charging of mainstream passenger and commercial vehicles. It supports charging control via CAN bus or enable line, integrates multiple protections including output overvoltage, overcurrent, short circuit, reverse connection and overtemperature, and is available in air-cooled and water-cooled versions.

Input voltage range: AC90V~264V; Frequency range: 45Hz~65Hz; Power factor: >=0.99; Full-load efficiency: >=93%; Protection rating: IP67; Operating temperature: -40°C~85°C; Storage temperature: -40°C~105°C; Charging control: CAN bus or enable line; Dimensions: 270x230x110mm (air-cooled); Cooling: air-cooled, water-cooled

• Onboard AC slow charging for new energy vehicles
• Traction battery charging for passenger and commercial vehicles

Tiecheng's fourth-generation 3.3 kW onboard charger with a compact structure, suited to small passenger cars and low-speed electric vehicles. It supports CAN bus or enable-line control, offers complete input and output protection, and comes with air-cooled or water-cooled heat dissipation options.

Input voltage range: AC90V~264V; Frequency range: 45Hz~65Hz; Power factor: >=0.99; Full-load efficiency: >=93%; Protection rating: IP67; Operating temperature: -40°C~85°C; Storage temperature: -40°C~105°C; Charging control: CAN bus or enable line; Dimensions: 198x244x95mm (air-cooled); Cooling: air-cooled, water-cooled

• Onboard AC slow charging for new energy vehicles
• Small passenger cars and low-speed electric vehicles

Tiecheng's third-generation 3.3 kW onboard charger, a mature platform product meeting the mechanical shock and vibration resistance requirements of QC/T 895-2011. Weighing a net 5.2 kg, it supports CAN bus or enable-line charging control and is offered in air-cooled and water-cooled versions.

Input voltage range: AC90V~264V; Frequency range: 45Hz~65Hz; Power factor: >=0.99; Full-load efficiency: >=93%; Protection rating: IP67; Operating temperature: -40°C~85°C; Storage temperature: -40°C~105°C; Charging control: CAN bus or enable line; Dimensions: 222x109x125mm (air-cooled); Net weight: 5.2kg; Cooling: air-cooled, water-cooled

• Onboard AC slow charging for new energy vehicles
• Charging for commercial and special-purpose vehicles

A 1 kW onboard DC/DC converter that steps down the high voltage of the traction battery to 14 V to supply the vehicle's low-voltage system. Naturally cooled, it meets the EMC requirements of GB/T 18655-2002 and weighs only 2.5 kg.

Rated power: 1KW; Peak power: 1.2KW for 6 minutes; Output voltage/current: 14V±1%, 72A; Max efficiency: >=92%; Voltage regulation: 1%; Voltage accuracy: <=1%; Current accuracy: <=2%; EMC: compliant with GB/T 18655-2002; Protection rating: IP67; Operating temperature: -40°C~60°C; Dimensions: 278x116x74mm (naturally cooled); Net weight: 2.5kg; Cooling: natural cooling

• Low-voltage power supply for new energy vehicles
• Low-voltage conversion replacing traditional lead-acid generators

A 1.5 kW onboard DC/DC converter whose 1.8 kW peak power can be sustained for 6 minutes, delivering a high 110 A output current for the vehicle's low-voltage loads. It supports water-cooled, air-cooled and natural cooling options and meets the EMC requirements of GB/T 18655-2002.

Power: 1.5KW; Peak power: 1.8KW for 6 minutes; Output voltage/current: 13.8V±1%, 110A; Max efficiency: >=94%; Voltage regulation: 1%; Voltage accuracy: <=1%; Current accuracy: <=2%; EMC: compliant with GB/T 18655-2002; Protection rating: IP67; Operating temperature: -40°C~60°C; Dimensions: 241x136x74mm (naturally cooled); Net weight: 3.5kg; Cooling: water-cooled, air-cooled, natural cooling

• Low-voltage power supply for new energy vehicles
• 12V electrical systems of passenger and commercial vehicles

A high-power 2 kW onboard DC/DC converter operating from a 240V~450V high-voltage platform with output power up to 2.5 kW. It features a complete UVP/OVP/OCP/SCP/OTP protection suite, sustains overloads above 130% for 60 seconds, and uses water-cooled or air-cooled heat dissipation.

Input voltage range: 240VDC~450VDC; Output voltage/current: 14Vdc±1%, 180A; Output power: 2.5KW; Full-load efficiency: >=95%; Overload capacity: >130% for 60s; Protection: UVP/OVP/OCP/SCP/OTP; Operating temperature: -40°C~60°C; Dimensions: 320x245x70mm (water-cooled); Mechanical shock and vibration grade: QC/T 895-2011; Cooling: water-cooled, air-cooled

• High-power low-voltage supply for new energy commercial vehicles
• 12V/14V electrical systems of high-voltage platform vehicles

A two-in-one integrated charging unit combining a 3.3 kW onboard charger and a 1 kW DC/DC converter in a single housing, reducing wiring harnesses and volume while increasing system integration. The whole unit is controlled via CAN bus with air-cooled or water-cooled heat dissipation.

Charger input voltage: AC90V~264V; Charger power factor: >=0.99; Charger full-load efficiency: >=93%; DC/DC rated power: 1KW; DC/DC peak power: 1.2KW for 6 minutes; DC/DC output: 14V±1%, 72A; DC/DC max efficiency: >=95%; Protection rating: IP67; Operating temperature: -40°C~85°C; Dimensions: 260x244x95mm; Cooling: air-cooled, water-cooled

• Integrated charging and power distribution systems for new energy vehicles
• Two-in-one power assemblies for passenger cars

A two-in-one integrated charging unit that combines a 3.3 kW onboard charger with a 1.5 kW DC/DC converter delivering 110 A, covering both AC slow charging and the vehicle's low-voltage supply needs, with air-cooled or water-cooled heat dissipation.

Charger input voltage: AC90V~264V; Charger power factor: >=0.99; Charger full-load efficiency: >=93%; DC/DC rated power: 1.5KW; DC/DC peak power: 1.8KW for 6 minutes; DC/DC output: 14V±1%, 110A; DC/DC max efficiency: >=95%; Protection rating: IP67; Operating temperature: -40°C~85°C; Dimensions: 260x244x95mm; Cooling: air-cooled, water-cooled

• Integrated charging and power distribution systems for new energy vehicles
• Two-in-one power assemblies for passenger cars

A high-power two-in-one integrated charging unit combining a 6.6 kW onboard charger with a DC/DC converter in one design. Its maximum operating temperature is raised to 65°C, it meets the vibration requirements of QC/T 895-2011, and it uses air-cooled or water-cooled heat dissipation.

Charger input voltage: AC90V~264V; Charger power factor: >=0.99; Charger full-load efficiency: >=93%; Charger operating temperature: -40°C~65°C; DC/DC rated power: 1.5KW; DC/DC peak power: 1.8KW for 6 minutes; DC/DC output: 14V±1%, 110A; DC/DC max efficiency: >=95%; Protection rating: IP67; Dimensions: 370x230x110mm (air-cooled); Cooling: air-cooled, water-cooled

• 6.6kW AC fast charging for new energy vehicles
• Integrated charging and power distribution systems

A high-power two-in-one integrated charging unit combining a 6.6 kW onboard charger with a 1.5 kW DC/DC converter delivering 110 A. The storage temperature range extends as wide as -55°C~100°C, with air-cooled or water-cooled heat dissipation.

Charger input voltage: AC90V~264V; Charger power factor: >=0.99; Charger full-load efficiency: >=93%; Charger operating temperature: -40°C~65°C; DC/DC rated power: 1.5KW; DC/DC peak power: 1.8KW for 6 minutes; DC/DC output: 14V±1%, 110A; DC/DC max efficiency: >=95%; Protection rating: IP67; Dimensions: 370x230x110mm (air-cooled); Cooling: air-cooled, water-cooled

• 6.6kW AC fast charging for new energy vehicles
• Integrated charging and power distribution systems

A three-in-one highly integrated charging and power distribution assembly that combines a 3.3 kW onboard charger, a 1 kW/1.5 kW DC/DC converter and a high-voltage power distribution unit (PDU) in one unit. The DC/DC offers selectable 72 A/108 A outputs, achieving a highly integrated, high-density and lightweight charging system.

Charger input voltage: AC90V~264V; Charger power factor: >=0.99; Charger full-load efficiency: >=93%; DC/DC rated power: 1KW/1.5KW; DC/DC peak power: 1.2KW/1.8KW for 6 minutes; DC/DC output: 14V±1%, 72A/108A; DC/DC max efficiency: >=95%; Protection rating: IP67; Operating temperature: -40°C~85°C; Dimensions: 260x244x95mm; Cooling: air-cooled, water-cooled

• Three-in-one integrated charging and power distribution assemblies for new energy vehicles
• High-voltage power distribution and AC slow charging for passenger cars

A high-power three-in-one charging and power distribution assembly integrating a 6.6 kW onboard charger with a selectable 1 kW/1.5 kW/2 kW DC/DC converter and a PDU high-voltage distribution unit. DC/DC outputs cover 72 A/108 A/145 A to meet the low-voltage load demands of different vehicle platforms.

Charger input voltage: AC90V~264V; Charger power factor: >=0.99; Charger full-load efficiency: >=93%; DC/DC rated power: 1KW/1.5KW/2KW; DC/DC peak power: 1.2KW/1.8KW/2.4KW for 6 minutes; DC/DC output: 14V±1%, 72A/108A/145A; DC/DC max efficiency: >=95%; Protection rating: IP67; Operating temperature: -40°C~85°C; Dimensions: 260x244x95mm; Cooling: air-cooled, water-cooled

• Three-in-one integrated charging and power distribution assemblies for new energy vehicles
• High-voltage power platforms for commercial and passenger vehicles