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RT9758 数据表(PDF) 2 Page - Richtek Technology Corporation

部件名 RT9758
功能描述  High Voltage Smart Cap Divider and Direct Charge Charger
PDF  61 Pages
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制造商  RICHTEK [Richtek Technology Corporation]
网页  http://www.richtek.com
标志 RICHTEK - Richtek Technology Corporation

RT9758 数据表(HTML) 2 Page - Richtek Technology Corporation

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RT9758
Copyright © 2023 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
DS9758-03
May 2023
2
Marking Information
2C : Product Code
YMDNN : Date Code
2C YM
DNN
Pin Configuration
(TOP VIEW)
SYNC
VBUS
VOUT
CFH1
CFL1
VOUT
CFH2
SCL
VBUS
CFL2
SDA
VOUT
VBUS
CFH2
CFL2
VBUS
WRX_IN
ADDR
BST2
VOUT
WRX_IN VBUS
EN
BST1
VOUT
WRX_OK VBUS
VOUT
CFH1
CFL1
PGND
PGND
PGND
AGND
INT
PGND
F6
E6
D6
C6
B6
A6
F5
E5
D5
C5
B5
A5
F4
E4
D4
C4
B4
A4
F3
E3
D3
C3
B3
A3
F2
E2
D2
C2
B2
A2
F1
E1
D1
C1
B1
A1
WL-CSP-36B 2.74x2.84 (BSC)
Functional Pin Description
Pin No.
Pin Name
I/O
Pin Function
A1
SCL
DI
I2C serial clock line. Connect to 1.8V/3.3V pull-up voltage via
10kohm pull-up resistor.
A2, B2, C2,
D2, E2, F2
VBUS
P
These pins are the input power supply and must be connected
together on the PCB. Two 4.7
F capacitors must be connected to
VBUS and GND.
A3, B3
CFH2
P
Flying capacitor positive node. Two 22
F capacitors must be
connected to CFL2 and CFH2 and placed as close as possible to
the device. These pins must be connected together on the PCB.
A4, B4, C4,
D4, E4, F4
VOUT
P
Power supply. Connect to positive terminal of the battery pack or
the input of the next stage charger IC. Must be connected together
on the PCB. One 22
F capacitors must be connected to VOUT
and GND.
A5, B5
CFL2
P
Flying capacitor negative node. Two 22
F capacitors must be
connected to CFL2 and CFH2 and placed as close as possible to
the device. These pins must be connected together on the PCB.
A6, B6, E6, F6
PGND
P
Power ground pin.
B1
SDA
DIO
I2C serial data line. Connect to 1.8V/3.3V pull-up voltage via
10kohm pull-up resistor.
C1, D1
WRX_IN
P
Connect to wireless power receiver output. One 2.2
F capacitor
must be connected to WRX_IN and GND.
C3
BST2
P
Charge pump for gate drive. Connect a 22nF capacitor between
BST2 and CFH2.
C5
ADDR
DI
Provide different voltage level at ADDR and GND to assign
address of the device.
C6
AGND
P
Analog ground pin.



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