LDR6321
PD+QC+AFC Sink Controller
1/10
LDR6321 PD+QC+AFC Sink Controller
REV1.5
Version history
REV1.0 Initial version 2018‐08‐02
REV1.1
Modify the performance parameter
p
ar
t
2018‐09‐10
REV1.2
1. Added pins for configuration,
output 12v and 15v
2. The VBUS port adds a isolation
MOSFET
2018‐12‐13
REV1.3 Revised the feature description part 2019‐03‐21
REV1.4
Revised the LDO of the typical
application
2019‐07‐11
REV1.5
1. Add support for AFC protocol;
2. The LDR6321 pins for configuring
voltage increase from 1 to 3;
3. The 10 ohm resistor connected to
the power supply in typical
application schemes are replaced by a
schottky diode
2020‐04‐23
Shenzhen Legendary Technology Co., Ltd.
www.legendary.net.cn
LDR6321
PD+QC+AFC Sink Controller
2/10
Table of Contents
1. Overview.............................................................................................................................................................3
2. Features...............................................................................................................................................................3
3. Application..........................................................................................................................................................3
4.Function description............................................................................................................................................4
4.1 LDR6321 pins diagram.........................................................................................................................4
4.2 LDR6321 pins function description......................................................................................................4
4.3 The voltage configuration of LDR6321..............................................................................................5
4.4 Application Diagram of LDR6321........................................................................................................6
5.Electrical Characteristics.....................................................................................................................................6
5.1 Maximum rating......................................................................................................................................6
5.2 Recommended Working Conditions.....................................................................................................6
6.Typical Application.............................................................................................................................................8
7.Chip Package....................................................................................................................................................10