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RAA458100GNP Datasheet

Wireless Charging System Transmitter

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Datasheet
RAA458100GNP
Wireless Charging System Transmitter IC for Low Power Applications
R19DS0096EJ0101
Rev.1.01
Sep.03.2018
1. Product Outline
Description
RAA458100 is wireless charging system transmitter IC for low power applications. When RAA457100 is used in a receiver, a wireless charging
system with bi-directional communication can be constructed.
Features
- Three operation modes which are available for various applications
ATPC(AuTomatic Power ControlMode , MCU Control Mode , Stand Alone Mode
- Gate drive output for MOSFET bridge circuit : half bridge or full bridge is selectable
- Over current protection for bridge circuit (OCP), Over temperature protection (THM), and various protection functions
- Monitoring input voltage or current of bridge circuit and thermistor voltage (Temperature) by 12bit A/D convertor
- Modulation/Demodulation function for bi-directional communication between transmitter and receiver
- RAA457100 registers can be set by bi-directional communication from RAA458100 (ATPC Mode)
2. Block Diagram ( Example for Application Circuit ATPC Mode )
RSTBY VIN CV18 RRT
IOVDD
from
NTC
CV30
CC RC CASK
VIN
RLED2 RLED1 CIOVDD
D2
D1
IOVDD
RSDA RSCL
EEP
ROM
RAA
458100
CLKI
CLKO
IOVDD
OSC
Clock
Selector
IOVSS PLL
ADC
LED1
LED2
SCL
SDA
Control Logic
INT_TX
Demod.
IOVDD
IOVSS
ADDR
ASKIN
Divider
OVP VSNS
CS
Amp INN
SCP
INP
UVLO
VIN
GD1H
Tx Coil Voltage
Detection
RINN
RINP
RCS CBRG
CVIN
uPA2690
RGD1H
Adaptor
5V DC
CP
VDD30
RTHM2
to
THM2
NTC
VDD30
RTHM1
to
THM1
NTC
GD1L
GD2H
GD2L
PGND
RGD1L
RGD2H
RGD2L
LP
Tx Coil
uPA2690
R19DS0096EJ0101 Rev.1.01
Sep.03.2018
Page 1 of 22


Renesas Electronics Components Datasheet

RAA458100GNP Datasheet

Wireless Charging System Transmitter

No Preview Available !

RAA458100GNP
3. Pin Functions
3. Pin Functions
Pin Pin
No. Name
A/D I/O Function
*1
*2
Remark
1 CLKI
D I Reference clock input / Connection pin to ceramic resonator Connect to IOVSS when on-chip clock is used.
2 CLKO
D O Connection pin to ceramic resonator
This pin should be open, when ceramic resonator is not used.
3 IOVDD A
I Power supply voltage input for digital I/O
Connect CIOVDD to IOVSS.
4 IOVSS
-
- GND for digital I/O
-
5 LED1
D O LED driver output 1
Open drain.
6 LED2
D O LED driver output 2
Open drain.
7 SCL
D I/O Clock input or output for 2-wire serial interface
Connect RSCL to IOVDD.
8 SDA
D I/O Data input or output for 2-wire serial interface
Connect RSDA to IOVDD.
9 INT_TX
D
O
Notification output at WPT communication packet reception or
abnormal condition detection
-
10 ADDR
D
I Slave address setting pin for 2-wire serial interface
Connect to IOVDD or IOVSS.
11 TEST1
-
I Test pin 1
Connect to IOVSS.
12 TEST2
-
I Test pin 2
Connect to IOVSS.
13 CAL
D I Enable pin for CS amplifier offset calibration function
Connect to IOVDD or IOVSS.
14 MS
D I Master or slave device setting pin for 2-wire serial interface Connect to IOVDD or IOVSS.
15 ATPC
D I Enable pin for automatic transmission power control function Connect to IOVDD or IOVSS.
16 GAIN
D I Gain setting pin for automatic transmission power control
Connect to IOVDD or IOVSS.
17 DUTY6 D I Bridge driver output pulse duty setting pin 6
Connect to IOVDD or IOVSS.
18 DUTY7 D I Bridge driver output pulse duty setting pin 7
Connect to IOVDD or IOVSS.
19 DUTY8 D I Bridge driver output pulse duty setting pin 8
Connect to IOVDD or IOVSS.
20 BRGSEL D I Selection pin for Half or Full bridge circuit
Connect to IOVDD or IOVSS.
21 PGND
-
- GND for bridge driver
-
22 GD2L
D O Bridge driver output 2 (Low Side)
Driving low Side Nch MOSFET.
23 GD2H
D O Bridge driver output 2 (High Side)
Driving high Side Pch MOSFET.
24 GD1L
D O Bridge driver output 1 (Low Side)
Driving low Side Nch MOSFET.
25 GD1H
D O Bridge driver output 1 (High Side)
Driving high Side Pch MOSFET.
26 VIN
A
I Power supply voltage input
Input DC5V, connect CVIN to SGND.
27 INP
A
I CS amplifier positive input
Connect RINP(1kΩ) to RCS.
28 INN
A
I CS amplifier negative input
Connect RINN(1kΩ) to RCS.
29 VSNS
A
I Voltage sense pin for bridge circuit input voltage
-
30 ASKIN
A
I Amplitude modulation signal input
-
31 ASKOUT A O Amplitude modulation signal output
Connect CASK to SGND.
32 COMP A O CS amplifier output
Connect RC(10kΩ) and CC to SGND.
33 SGND
-
- GND for internal circuits
-
34 VDD30 A O 3.0V regulator output
Connect CV30 to SGND. Bias voltage for thermistor.
35 THM2
A
I Connection pin to thermistor 2
Input divided VDD30 voltage by RTHM2 and thermistor.
36 THM1
A
I Connection pin to thermistor 1
Input divided VDD30 voltage by RTHM1 and thermistor.
37 RT
A O Internal circuits bias current setting pin
Connect RRT(100kΩ) to SGND.
38 VDD18 A O 1.8V regulator output
Connect CV18 to SGND.
39 CLKSEL D
40 STBY
D
I Clock selection pin (on-chip clock or external clock input)
I Standby control
Connect to VIN or SGND.
Applied to IOVDD or IOVSS voltage level.
IC is activated when STBY is applied to IOVDD.
IC is initialized(reset) when STBY is applied to IOVSS.
*1 A means analog signal (Including power supply voltage) and D means Digital signal.
*2 I : Input pin, O : Output pin, I/O : Input and Output pin.
R19DS0096EJ0101 Rev.1.01
Sep.03.2018
Page 2 of 22



Part Number RAA458100GNP
Description Wireless Charging System Transmitter
Maker Renesas
Total Page 3 Pages
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