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MPQ4485 数据表(PDF) 12 Page - Monolithic Power Systems

部件名 MPQ4485
功能描述  36V, 6A, Step-Down Converter with Dual USB Charging Ports Supporting Type-C 5V 3A DFP Mode and BC1.2 CDP Mode for Automotive, AEC-Q100 Qualified
PDF  22 Pages
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制造商  MPS [Monolithic Power Systems]
网页  http://www.monolithicpower.com
标志 MPS - Monolithic Power Systems

MPQ4485 数据表(HTML) 12 Page - Monolithic Power Systems

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MPQ4485
– STEP-DOWN CONVERTER WITH DUAL USB CHARGING PORTS
MPQ4485 Rev.1.0
www.MonolithicPower.com
12
9/18/2017
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2017 MPS. All Rights Reserved.
BLOCK DIAGRAM
Σ
Bootstrap
Regulator
HS
Driver
LS
Driver
VCC
Control
Logic
Oscillator
VCC
Regulator
Reference
Line Drop
Compensation
IN
EN
VCC
OUT
AGND
BST
Current Sense
Amplifier
Current Limit
Comparator
PWM Comparator
OVP Comparator
Error Amplifier
SW
PGND
Curent
Sense
Curent
Sense
Charge
Pump
Control
Logic
Thermal
Sense
UVLO
Discharge
Discharge
USB1
USB2
Auto
Detect
2.7V
1.2V
DP2
DM2
DP1
DM1
Current
Limit
SS
CC1
CC2
DM2_OUT
DP2_OUT
Vconn from OUT
5V
Type-C
Control
CDP
Control
MODE
5V
1MΩ
8µA
R1
R2
Rd2
Rd4
Figure 1: Functional Block Diagram



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