Leekr

DHB-P Autonomous Vehicle Brake-by-Wire Solution

Name: Leekr | DHB-P Autonomous Vehicle Brake-by-Wire Solution
Brand: Leekr
SKU: LEO-1382

Leekr DHB-P Decoupled Hydraulic Brake-by-Wire System for autonomous vehicles with 510W motor, 160 bar max pressure, IP69 rating, and CAN 2.0.

Leekr | DHB-P Autonomous Vehicle Brake-by-Wire Solution

Leekr DHB-P Decoupled Hydraulic Brake-by-Wire System for autonomous vehicles with 510W motor, 160 bar max pressure, IP69 rating, and CAN 2.0.

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The Leekr DHB-P is an electrically controlled, fully decoupled hydraulic brake-by-wire system engineered as the "Safety Execution Hub" for autonomous vehicles, unmanned delivery platforms, cleaning robots, and electric towable RVs. Powered by a high-efficiency motor driving a Dual Actuation Plunger (DAP), DHB-P delivers millisecond-level dynamic response and integrates EPB control algorithms to eliminate traditional vacuum boosters.

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Key Performance Specifications
Maximum Motor Power	510 W
Maximum Pressure	160 bar
Maximum Pressure Rate	500 bar/sec @ 20–100 bar
Pressure Execution Accuracy	±2 bar @ 100 bar
Maximum Liquid Consumption	< 18 ccm
Reservoir Structure & Volume	Single Chamber, 311 ccm
Brake Fluid Compatibility	DOT3 / DOT4 / DOT5.1 (FMVSS 116 compliant)
Waterproof Protection Rating	IP69
Electrical & ECU Specifications
Communication Interface	Standard CAN 2.0
System Operating Voltage	9 – 18 V
ECU Operating Voltage	6 – 27 V
Operating Current (Steady State)	< 50 A
In-Rush Peak Current	100 A Max
Standby Current (IGN ON, idle)	< 300 mA
Quiescent Current (Sleep)	< 200 µA
Integrated Sensors	1× DAP Pressure Sensor (BPS), 1× Motor Position Sensor (MPS), 1× Brake Fluid Level Sensor (BFLS)
Mechanical & Installation Interface
Mounting Pattern	4× M8 × 1.25 studs (72 mm × 72 mm pattern) on interior firewall
Maximum Tilt Angle	≤ 15°
Bolt Tightening Torque	24 ± 3 Nm (diagonal sequence)
Hydraulic Pipe Tightening Torque	19 ± 2 Nm
Main Electrical Connector	EUCON 46-pin (Bosch 1928405782 / 1928498807)
Level Sensor Connector	2-pin Female Type 0436605

DHB-P Autonomous Vehicle Brake-by-Wire Solution

Leekr | DHB-P Autonomous Vehicle Brake-by-Wire Solution

Leekr DHB-P Technical Specifications

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