參數(shù)資料
型號： PTPS659109A1RSL
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： POWER SUPPLY SUPPORT CKT, PQCC48
封裝： 6 X 6 MM, 1 MM HEIGHT, GREEN, PLASTIC,VQFN-48
文件頁數(shù)： 30/89頁
文件大?。?/td> 941K
代理商： PTPS659109A1RSL
PRODUCTPREVIEW
SWCS046C – MARCH 2010 – REVISED JUNE 2010
www.ti.com
DEVICE INFORMATION
Table 10. Terminal Functions
NAME
QFN PIN
SUPPLIES
TYPE
I/O
DESCRIPTION
PU/PD
VDDIO
VDDIO/DGND
Power
I
Digital I/Os supply
No
I2C bidirectional data signal/serial
SDA_SDI
VDDIO/DGND
Digital
I/O
peripheral interface data input
External PU
(multiplexed)
I2C bidirectional clock signal/serial
SCL_SCK
VDDIO/DGND
Digital
I/O
peripheral interface Clock Input
External PU
(multiplexed)
I2C SmartReflex bidirectional data
SDASR_EN2
VDDIO/DGND
Digital
I/O
External PU
signal/enable of supplies (multiplexed)
I2C SmartReflex bidirectional clock
SCLSR_EN1
VDDIO/DGND
Digital
I/O
External PU
signal/enable of supplies (multiplexed)
Active-sleep state transition control
Programmable PD
SLEEP
VDDIO/DGND
Digital
I
signal
(default active)
Configurable general-purpose I/O or
Programmable PD
GPIO_CKSYNC
VDDIO/DGND
Digital
I/O
DC-DCs synchronization clock input
(default active)
signal
Programmable PD
PWRHOLD
VRTC/DGND
Digital
I
Switch-on/-off control signal
(default active)
Programmable PU
PWRON
VBAT/DGND
Digital
I
External switch-on control (ON button)
(default active)
PD active during
NRESPWRON
VDDIO/DGND
Digital
O
Power off reset
device OFF state
INT1
VDDIO/DGND
Digital
O
Interrupt flag
No
Programmable PD
BOOT0
VRTC/DGND
Digital
I
Power-up sequence selection
(default active)
Programmable PD
BOOT1
VRTC/DGND
Digital
I
Power-up sequence selection
(default active)
PD disable in
CLK32KOUT
VDDIO/DGND
Digital
O
32-kHz clock output
ACTIVE or SLEEP
state
OSC32KIN
VRTC/REFGND
Analog
I
32-kHz crystal oscillator
No
OSC32KOUT
VRTC/REFGND
Analog
I
32-kHz crystal oscillator
No
VREF
VCC7/REFGND
Analog
O
Bandgap voltage
No
REFGND
Analog
I/O
Reference ground
No
TESTV
VCC7/AGND
Analog
O
Analog test output (DFT)
No
Backup battery input (short to VCC5 if
VBACKUP
VBACKUP/AGND
Power
I
No
not used)
VCC1
VCC1/GND1
Power
I
VDD1 dc-dc power input
No
GND1
VCC1/GND1
Power
I/O
VDD1 dc-dc power ground
No
SW1
VCC1/GND1
Power
O
VDD1 dc-dc switched output
No
VFB1
VCC7/AGND
Analog
I
VDD1 feedback voltage
PD
VCC2
VCC2/GND2
Power
I
VDD2 dc-dc power input
No
GND2
VCC2/GND2
Power
I/O
VDD2 dc-dc power ground
No
SW2
VCC2/GND2
Power
O
VDD2 dc-dc switched output
No
VFB2
VCC4/AGND2
Analog
I
VDD2 dc-dc feedback voltage
PD
VCCIO
VCCIO/GNDIO
Power
I
VIO dc-dc power input
No
GNDIO
VCCIO/GNDIO
Power
I/O
VIO dc-dc power ground
No
SWIO
VCCIO/GNDIO
Power
O
VIO dc-dc switched output
No
VFBIO
VCC7/AGND
Analog
I
VIO feedback voltage
PD
VCC3
VCC3/AGND2
Power
I
VMMC VAUX33 power input
No
VMMC
VCC3/REFGND
Power
O
LDO regulator output
PD
36
Copyright 2010, Texas Instruments Incorporated
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