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參數(shù)資料
| 型號： | ADP3510ARU |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 電源管理 |
| 英文描述： | Secondary Over-Voltage Protection for 2-4 cell in series Li-Ion/Poly (4.40V) 8-SM8 -40 to 110 |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO28 |
| 封裝： | TSSOP-28 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 283K |
| 代理商： | ADP3510ARU |
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Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
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ADP3510
Tel: 781/329-4700Fax: 781/326-8703
Analog Devices, Inc., 2002CDMA Power Management System
FUNCTIONAL BLOCK DIAGRAM
TCXOEN
ADP3510
BATTERY
CHARGE
CONTROLLER
POWER-UP
SEQUENCING
AND
PROTECTION
LOGIC
DIGITAL
CORE LDO
VIO
LDO
TCXO
LDO
MEMORY
LDO
REF
BUFFER
BATTERY
VOLTAGE
DIVIDER
VBAT
VBAT2
PWRONKEY
ROWX
PWRONIN
ALARM
PDCAP
CHRDET
EOC
CHGEN
GATEIN
BATSNS
ISENSE
GATEDR
CHRIN
VTRC
VIO
VCORE
VTCXO
VMEM
VAN
REFOUT
RESET
MVBAT
DGND
AGND
RESCAP
ANALOG
LDO
RTC
FEATURES
Handles All CDMA Baseband Power Management
Six LDOs Optimized for Specific CDMA Subsystems
Li-Ion and NiMH Battery Charge Function
Ambient Temperature: 20 C to +85 C
TSSOP 28-Lead Package
Optimized for LSI Logic Baseband Chipset
APPLICATIONS
CDMA Handsets
GENERAL DESCRIPTION
The ADP3510 is a multifunction power system chip optimized for
CDMA handset power management. It contains six specialized
LDOs, one to power each of the critical CDMA subblocks.
Sophisticated controls are available for power-up during battery
charging, keypad interface, and RTC alarm. If a Li-Ion battery
is being charged, the charge circuit maintains low current
charging during the initial charge phase and provides an end of
charge (EOC) signal when the cell has been fully charged.
The ADP3510 is specified over the temperature range of –20
∞
C to
+85
∞
C and is available in a narrow body TSSOP 28-Lead package.
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