36V, 4-Switch Bidirectional Buck-Boost Controller with I²C Interface

RT6190

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The RT6190 is a 4-switch bidirectional Buck-Boost controller designed for USB power delivery (USB PD). It operates with wide input voltage range from 4.5V to 36V, and the output voltage can be programmable between 3V and 36V. The RT6190 implements peak current mode control mechanism with the programmable constant voltage (CV) and constant current (CC) output to support USB-PD 3.0 SPR mode and 3.1 EPR mode. It also has built-in charge pumps for driving external low-cost N-MOSFETs to control the power path. With an I²C compatible interface, the RT6190 supports many programmable functions including CV/CC output, switching frequency, and cable voltage drop compensation. Moreover, the RT6190 integrates fully protection such as input UVLO, over/under voltage protection, cycle-by-cycle current limit, short protection, and over-temperature protection. The RT6190 is available in a WQFN-40L 5x5 package.

Applications

Monitor
USB Power Delivery
Power Bank

Key Spec.

	RT6190	RT6190H
Status	Active	Active
Vin (min) (V)	4.5	4.5
Vin (max) (V)	36	36
Vout (min) (V)	3	3
Vout (max) (V)	36	36
Iout (max) (A)	5	5
Current Limit (typ) (A)	6.5	6.5
Freq (typ) (kHz)	250	250
Freq (min) (kHz)	250	250
Freq (max) (kHz)	1000	1000
Iq (typ) (mA)	3	3
Features	Adjustable Current Limit;Adjustable Soft-Start;Bi-directional Operation;Constant Voltage and Constant Current Function;Current Mode Control;Cycle-by-Cycle Current Limit;Enable Input;I2C;Input UVLO;OCP;OTP;OVP;Power Good;Programmable Switching Frequency;SCP;UVP	Adjustable Current Limit;Adjustable Soft-Start;Bi-directional Operation;Constant Voltage and Constant Current Function;Current Mode Control;Cycle-by-Cycle Current Limit;Enable Input;I2C;Input UVLO;OCP;OTP;OVP;Power Good;Programmable Switching Frequency;SCP;UVP
Interface	I2C	I2C
Package Type	WQFN5x5-40	WQFN5x5-40

Features

Support USB-PD 3.0 SPR Mode and 3.1 EPR Mode
Integrated Buck-Boost Controller :
► Wide Input Voltage Range : 4.5V to 36V
► Wide Output Voltage Range : 3V to 36V
► Peak Current Mode Control
► Programmable Switching Frequency (250kHz to 1MHz)
► Power Saving Mode Enables Higher Light Load Efficiency
AnyPower^TM for Constant Voltage (12.5mV/step, Typ.) and Constant Current (in 9-Bit Resolution) Output Settings
Bi-directional Power Delivery for Forward Operation and Reverse Operation
Embedded 2nd OCP Function
I²C Compatible Interface
Adjustable Soft-Start Time
Programmable Cable Voltage Drop Compensation
Built-in Bleeders for Quick VBUS Discharge
Power Good Indicator
Fully Protection with UVLO, OVP, UVP, OCP, Cycle-by-Cycle Current Limit and OTP
WQFN-40L 5x5 Package