ATMEL AT73C211 Power management Datasheet

Features
•
•
•
•
•
•
•
DC to DC Converter 1.9V / 2.5V (DCDC1)
LDO Regulator 2.7V / 2.8V (LDO1)
LDO Regulator 2.8V (LDO2)
LDO Regulator 2.8V (LDO3)
LDO Regulator 2.47V / 2.66 (LDO4) - Backup Battery Supply
LDO Regulator 1.72V / 2.66 (LDO5) - RTC Supply
Reset Generator
1. Description
The AT73C211 is a power management device for digital, analog, interface, and, in
some cases, RF and backup sections of add-on modules used as accessories in popular handheld devices like mobile phones, digital still cameras, PDAs and a wide
range of multimedia devices. The AT73C211 can also be used to supply the CPU with
a high-efficiency DC-DC Converter, a radio frequency transceiver with high PSRR and
noise performance LDO regulators, or memories and analog sections with independent LDO channels.
Power
Management
AT73C211
In addition, the AT73C211 integrates LDO regulators to recharge backup elements
and convert its voltage to microcontroller RTC supply.
LDO regulators and DC-DC converters output voltage can be programmed by a mask
change.
6199AS–PMGMT–20-Sep-05
Note: This is a summary document. A complete document
is available on our Web site at www.atmel.com.
2. Functional Block Diagram
Figure 2-1.
AT73C211 Block Diagram
VPAD
VBATT
VBATT
POR
UP-ON/OFF
UP-ON/OFF
VPAD
RESET
GENERATOR
35ms
EN
ON/OFF
10KHz
OSC
ON/OFF
PMC
State
Machine
LS
SPI
VBATT>3.2V
CORE DC/ DC
en_vpad
CREF
GND
Vref
FB
DCDC
EN
Over-Temp
DGND
LX
LX
VIN
LP
CREF
RESET-B
en_vcore
reset
EN
RESET-B
State Machine Reset
GND
EN
VCORE
VCORE
1.9/2.5V / 300 mA
GND1
GND
ECO-MODE
ECO-MODE
ANALOG LDO
VIN
VBATT
LDO1
en_vcore
GND
AGND
EN
AVCC
2.7/ 2.8V / 130 mA
AGND
AGND
BB1
VIN-REG1
VBATT
PAD LDO
VIN-REG2
VBATT
VIN
LP
RTC SUPPLY BLOCK
VCC-RTC
1.72 /2.66V
0.5mA
GND
2.8V
AVCC
EN-ANALOG-B
EN-ANALOG-B
BAT-RTC
2.47 /2.66V
5 mA
VOUT
GND
BAT-RTC
VBACK
VCC-RTC
GND
VIN
GND
LDO4
LDO5
AGND1
V-PAD
2.8V / 80 mA
LDO2
EN
GND
V-PAD
VOUT
GND
2.7V
BB1
DEEP
DISCHARGED
EN
2.6V
BB1
VVIB
EN
GND
GND GND
VBATT
VIBRATOR LDO
VIN
en_vcore
EN-VIB
VOUT
VIB -OUT
V-VIB
2.8V /130 mA
LDO3
EN
GND
DGND
GND
GND
BB1
GND
TEST
GND
2
AT73C211
6199AS–PMGMT–20-Sep-05
AT73C211
3. Revision History
Table 3-1.
Revision History
Doc. Rev.
Comments
6199AS
First issue.
Change
Request Ref.
3
6199AS–PMGMT–20-Sep-05
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