PRODUCT CENTER
SC2021PQ
Type-C/ PD and Dual DPDM Fast Charge Controller

Introduce

 

 

SC2021PQ is a Type-C / PD and DPDM fast charge controller for automotive applications. It complies with the latest Type-C and PD 3.1 standard and supports the proprietary high voltage fast charge protocols with dual DPDM interfaces. It targets for the wall adapters, travel adapters and car chargers. SC2021PQ minimizes external components by integrating USB PD baseband PHY, Type-C detection, dual DPDM PHYs, VBUS discharging paths, VCONN supply, programmable feedback compensation, voltage and current sense, 10-bit high performance ADC, dual 10-bit DACs, NMOS gate driver, I2C interface and protection circuits, which provides cost effective solutions to many applications. SC2021PQ supports various protection mechanisms including Over Voltage Protection (OVP), Under Voltage Protection (UVP), Over Current Protection (OCP), Short Circuit Protection (SCP), Over Temperature Protection (OTP), DPDM Over Voltage Protection (DPDM OVP), CC Over Voltage Protection (CCOVP), VCONN Over Voltage (VCONN OVP), VCONN Over Current (VCONN OCP) and VCONN Short Protection (VCONN SCP), so to effectively ensure stable and reliable operation of system. The SC2021PQ is available in 32-pin QFN package.

Function

 

●   AEC-Q100

   √ AEC-Q100 Qualified for automotive applications

 
USB Type-C
   √ Support Type-C DFP protocols
   √ Support DRP or UFP protocols with external Rd
   √ Configurable resistor RP
 
●   USB Power Delivery
   √ Support DFP USB PD 3.1 with PPS
   √ Hardware BMC transmitter and receiver
   √ Full feature physical layer
   √ Hardware CRC
   √ Hardware reset
   √ Integrate PD 3.1 protocol engine
   √ Integrate VCONN and support SOP’ for e-marker
 
●   Dual DPDM Fast Charging Interfaces
   √ Integrate DPDM interface
   √ Support Apple charging, BC1.2, DCP, HVDCP, FC, AFC
 
●   Power Output Control
   √ Wide operation range: 3V to 21V (26V tolerant)
   √ Support external resistance to set the maximum output power
   √ Support power limit for over-temperature condition
   √ Power delivery level is as follows
       5V3A 9V3A 15V2A 20V1.5A PPS: 3.3~11V3A for 30W applications
       5V3A 9V3A 15V3A 20V2.25A PPS: 3.3~21V2.25A for 45W applications
       5V3A 9V3A 15V3A 20V3A PPS: 3.3~21V3A for 60W applications
       5V3A 9V3A 15V3A 20V3A PPS: 3.3~21V3.25A for 65W applications
 
●   Analog Block
   √ Support FB interface for car charger
   √ Dual DACs for CC/CV loop.
   √ 10-bit ADC to monitor the voltage / current / DPDM/ other signals
   √ Integrated high side current sense amplifier
   √ Integrated NMOS gate driver
   √ Integrated VBUS discharging paths
   √ Integrated temperature sense module
 
●   Protections
   √ 26V tolerant for CC1 and CC2
   √ 12V tolerant for DP and DM
   √ VIN UVP, VIN OVP
   √ VBUS OVP, UVP, SCP, VCONN OVP, VCONN OCP, VCONN SCP, OTP, DPDM OVP, CC OVP
 
●   Package
   √ 32-pin QFN, 4mm x 4mm x 0.75mm

Application

 

●   Car chargers

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