POWER MANAGEMENT SYSTEM DEVICE
RN5T568C-E4
Product Specifications
Rev1.1
2017.11.08
RICOH
Electronic Devices
Co., Ltd.
This specification is subject to change without notice.
POWER MANAGEMENT SYSTEM DEVICE
Table of Contents
1.
2.
3.
4.
Outline
................................................................................................................................................................. 4
Feature
................................................................................................................................................................ 4
Block Diagram
.................................................................................................................................................... 6
Electrical Characteristics
.................................................................................................................................. 7
4.1
4.2
4.3
4.4
5.
Absolute Maximum Ratings
..................................................................................................................... 7
Recommendation of Operating Conditions
........................................................................................... 8
I/O Electrical Characteristics....................................................................................................................
9
Consumption Current
.............................................................................................................................. 10
Package information........................................................................................................................................
11
5.1
5.2
Pin Configuration
..................................................................................................................................... 11
QFN0707-48 Package
............................................................................................................................ 12
6.
7.
Pin Description
................................................................................................................................................. 13
Power Control
................................................................................................................................................... 14
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10
7.11
7.12
7.13
7.14
7.15
State Machine Diagram
.......................................................................................................................... 14
State Machine Description
..................................................................................................................... 15
Power On Sequence
............................................................................................................................... 16
Power Off Sequence
............................................................................................................................... 17
Sleep Entry/Exit Sequence
.................................................................................................................... 18
Repower-on Sequence
........................................................................................................................... 20
Shutdown Factor
..................................................................................................................................... 21
Shutdown Sequence
............................................................................................................................... 21
Power-on/off History
............................................................................................................................... 23
Watchdog Timer Function
...................................................................................................................... 24
Power Control Block Interrupt Request
................................................................................................ 24
PWRON Long Press Operation
............................................................................................................ 25
Power-on Signal Output by GPIO0-3
................................................................................................... 25
Voltage Detector
...................................................................................................................................... 26
Overheat Detection Block
...................................................................................................................... 27
8.
Regulators.........................................................................................................................................................
28
8.1
8.2
8.3
Regulators Table
..................................................................................................................................... 28
DCDC Electrical Characteristics
........................................................................................................... 29
LDO Electrical Characteristics
............................................................................................................... 32
2014-2017
Rev1.1
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POWER MANAGEMENT SYSTEM DEVICE
9.
MODE
................................................................................................................................................................ 37
9.1
9.2
Normal MODE
.......................................................................................................................................... 37
Parts MODE
............................................................................................................................................. 38
10. GPIO
.................................................................................................................................................................. 40
11. I2C-Bus interface
............................................................................................................................................. 43
11.1
11.2
11.3
11.4
11.5
11.6
11.7
11.8
11.9
I2C-Bus Operation...................................................................................................................................
43
AC Characteristics of I2C-Bus
............................................................................................................... 44
I2C-Bus Data Transmission and its Acknowledge
............................................................................. 45
I2C-Bus Slave Address
.......................................................................................................................... 45
I2C-Bus Data Transmission Read Format (Fast Speed mode)........................................................
46
I2C-Bus Data Transmission Write Format (Fast Speed mode)
........................................................ 46
I2C-Bus Internal Register Write-in Timing (Fast Speed mode)
........................................................ 47
I2C-Bus Data Transmission Read Format (Hs mode)
....................................................................... 48
I2C-Bus Data Transmission Write Format (Hs mode)
....................................................................... 48
12. Interrupt Controller (INTC)
.............................................................................................................................. 49
12.1
Interrupt Controller Block Diagram
....................................................................................................... 49
13. Registers
........................................................................................................................................................... 50
13.1
13.2
13.3
13.4
13.5
13.6
13.7
13.8
13.9
Registers Map
.......................................................................................................................................... 50
SYSTEM
................................................................................................................................................... 52
I2C
............................................................................................................................................................. 55
Power Control
.......................................................................................................................................... 56
DCDC
........................................................................................................................................................ 69
LDO
........................................................................................................................................................... 80
GPIO
......................................................................................................................................................... 88
INTC
.......................................................................................................................................................... 93
SYSTEM OPTION
................................................................................................................................... 95
2014-2017
Rev1.1
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POWER MANAGEMENT SYSTEM DEVICE
1. Outline
This IC is the power management IC for GPS-PND/STB/POS/Panel Computer and so on.
It integrates four high-efficiency step-down DCDC converters, seven low dropout regulators, power control
logic, I2C-Bus Interface, voltage detections, thermal shut-down, and etc.
2. Feature
●System
I2C-Bus interface @3.4MHz and 400kHz
Detector Function (System/IO, UVLO, DETVSB)
Thermal Shutdown Function
Watchdog timer
Power on key input for System’s power up
Power on reset output for CPU
Flexible power-on/off sequence by OTP
Flexible DCDCx and LDOx default-on/off control by OTP
●High Efficiency Step-down DC/DC Converters
DC/DC1
0.6-3.5V
Max 3000mA
DC/DC2
0.6-3.5V
Max 3000mA
DC/DC3
0.6-3.5V
Max 2000mA
DC/DC4
0.6-3.5V
Max 2000mA
Soft-start circuit
●Low Drop Voltage Regulators
LDO1
0.9-3.5V
Max 300mA
LDO2
0.9-3.5V
Max 300mA
LDO3
0.6-3.5V
Max 300mA
LDO4
0.9-3.5V
Max 200mA
LDO5
0.9-3.5V
Max 200mA
LDORTC1 1.2-3.5V
Max 30mA (AlwaysOn, For coin battery)
LDORTC2 0.9-3.5V Max 10mA (AlwaysOn)
Over current Protection and Short circuit Protection.
●4ch-GPIO
Supports interrupt function (level/edge) for input signals
Outputs power-on signal for external devices
Power on/off input for System’s power up/down
DCDCx and LDOx can be controlled by external input
GPIO2 can output LDORTC2
GPIO0 and GPIO1 have maximum 15mA sink for LED.
GPIOx have Output C32KOUT of internal clock for external devices.
●Interrupt Controller (INTC)
●Package
QFN0707-48(0.5mm pitch)
●Process
CMOS
2014-2017
Rev1.1
Page4
POWER MANAGEMENT SYSTEM DEVICE
●
OTP selected list
OTP Function
I2CSLV
SLEEPPOL
PWRONPOL
System
OTP
Setting
VINDAC
VINHYSSEL
VINRRESET
IODAC
PREVINDAC
OVTEMP
Setting
2: 32h
0: Non-Inversion
0: Non-Inversion
4: 3.0V
1: 200mV
1: ERSTB
1: 1.60V
6 :3.5(↑)/3.4(↓)
0: 105/85℃
Explanation:
The settings of I2C slave address (A3-A1).
SLEEP pin polarity selection ( Default High active )
PWRON pin polarity selection ( Default High active )
System Voltage Detection for Power-ON permit.
Hysteresis Voltage for VINDET ( System Voltage Detection for Power-ON permit )
VINDAC/VINHYS Reset selection
VDDIO Voltage Detection ( Power OFF factor )
System Voltage Pre-Detection ( Interrupt output )
initial temperature of Overheat Detection(Interrupt output)
GPIO
OTP
setting
OTP Function
GPIO3POL
GPIO2POL
GPIO1POL
GPIO0POL
Setting
0: Non-Inversion
0: Non-Inversion
0: Non-Inversion
0: Non-Inversion
Explanation:
GPIO3 input's polarity ( Default High Active )
GPIO2 input's polarity ( Default High Active )
GPIO1 input's polarity ( Default High Active )
GPIO0 input's polarity ( Default High Active )
OTP Function
LDORTC1AWON
LDORTC1ONSLOT
LDO5ONSLOT
LDO4ONSLOT
LDO3ONSLOT
LDO2ONSLOT
LDO1ONSLOT
DC4ONSLOT
DC3ONSLOT
DC2ONSLOT
DC1ONSLOT
Setting
1: AlwaysOn
0: Enable
0: Enable
0: Enable
0: Enable
0: Enable
0: Enable
0: Enable
0: Enable
0: Enable
0: Enable
OTP Function
LRTCDAC
Setting
3.30V
Explanation
LDORTC1 Always-ON or I2C Control / Initial VOUT
The setting of initial ON/OFF for RTCLDO1 ( Select "0:Enable" for AwaysON )
The setting of LDO5 Pin Control / Initial VOUT
The setting of LDO4 Pin Control / Initial VOUT
The setting of LDO3 Pin Control / Initial VOUT
The setting of LDO2 Pin Control / Initial VOUT
The setting of LDO1Pin Control / Initial VOUT
DD4LIM
DD3LIM
DD2LIM
DD1LIM
1: 2.3A
1: 2.3A
1: 3.2A
1: 3.2A
Pin control /VOUT /Limit Current
Pin control /VOUT /Limit Current
Pin control /VOUT /Limit Current
Pin control /VOUT /Limit Current
Sequence,
DCDC,
LDO
OTP
settings
L5DAC
L4DAC
L3DAC
L2DAC
L1DAC
DD4DAC
DD3DAC
DD2DAC
DD1DAC
3.30V
3.30V
2.50V
3.30V
1.80V
1.80V
1.20V
1.10V
1.10V
2014-2017
Rev1.1
Page5
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