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參數(shù)資料
| 型號(hào)： | PC34708JVK/R2 |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PBGA225 |
| 封裝： | 8 X 8 MM, 0.50 MM PITCH, MAPBGA-225 |
| 文件頁(yè)數(shù)： | 1/2頁(yè) |
| 文件大小： | 163K |
| 代理商： | PC34708JVK/R2 |
Applications
Smartbooks
Nettops
eReaders
Mobile Internet Devices
Industrial Embedded Systems
Overview
The MC34708 Power Management
Integrated Circuit (PMIC) represents a
complete system power solution in a
single package. Designed primarily for
use with Freescale i.MX series of micro-
processors, the MC34708 integrates five
programmable buck converters and eight
low drop out (LDO) regulators for
providing power to the microprocessor,
graphics, peripheral and memory
devices, as well as other system
supplies.
The integrated switching mode charger
supports single cell applications with up
to 950mA of charge current, enabling
faster charging, while also providing for
dual-path operation. An integrated
coulomb counter measures the state of
charge of the battery.
The USB switch enables the use of a
single, mini or micro USB connector for
USB, UART and audio connections,
switching the relevant signals to the
connector depending on the type of
device connected. With support for the
Universal Charging Standard, the charge
current is varied automatically
depending on the capability of the
source. In addition, the MC34708 also
integrates a real time clock, coin cell
charger, a 22- channel ADC with 10-bit
resolution, 5V USB-OTG switcher, PWM
generator, touch-screen interface, status
LED drivers and a number of GPIO’s.
Performance
Typical Values
Operating battery Voltage
Up to 4.8V
Operating charger voltage
Up to 20V
Output voltage of buck switchers
0.6 to 1.85V
Accuracy of the LDOs
+/-3%
Maximum charging current
900mA
VBUS supply current in OTG mode
380mA
ADC resolution
10 bits
Licell backup voltage
3.6V
MC34708 Simplified Application Diagram
BATTERY
MANAGEMN
Li Charig
Wall/USB
Protectin
Coincell Cager
Coulomb Counter
5 BUCK
SWITCHR
ProcessorCres
Split Pwr Domais
DDR Memory
I/O
8 LDO
REGULATORS
SRTC
Peripherals
5V BOOST
SWITCHER
USB OTG Supply
10 BIT GPADC
Charging Monitoring
General Purpose
Touchscreen
BIAS & RREFERENCES
Trimmed Bandgap
LED DRIVERS
Charger Sign of Life
GENERAL
Purpose I/O
PWM Outputs
32.768kHz
Xtal Oscillator
RTC
PROCESSOR CONTROL
INTERFACING
CONTROL
INTERFACE
SPI/I2C
POWER
CONTROL LOGIC
State Machine
MC34708
Analog, Mixed Signal and Power Management
MC34708 Power Management IC
Designed for the Freescale’s i.mx 53/508/6x Platforms
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PC34708VK | 制造商:Freescale Semiconductor 功能描述:PMIC 5S 6LDO BST 10BTADC - Bulk |
| PC34708VM | 制造商:Freescale Semiconductor 功能描述:PMIC 5S 6LDO BST 10BTADC - Bulk |
| PC34709VK | 制造商:Freescale Semiconductor 功能描述:PMIC 5SW,6 LDO,BST - Bulk |
| PC34709VKR2 | 制造商:Freescale Semiconductor 功能描述:PMIC 5SW,6 LDO,BST - Tape and Reel |
| PC34710EW | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Adjustable Dual Output Switching Power Supply |
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