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3. Pinout
Table 3-1.
AT73C224 Pinout
Pin Name
VO3
VDD3
GNDANA
VCAPP
VINT
VDD0
VCAPN
VBG
VDD2
VBAT_LDORTC
VO2
EN
D4
POK
ITB/RDY
SW2
GND2
VO1
DH1
DL1
VSENSE1
VDD1
VDD4
VO4
VDDIO
D1
D2
D3
CK32
XOUT
XIN
VBACKUP
GND/AVSS
I/O
O
PS
PS
I/O
PS
PS
I/O
O
PS
PS
I
I
I
O
I/O
O
PS
I
O
O
I
PS
PS
O
PS
I
I/O
I
O
I/O
I/O
O
PS
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
Type
Analog
Power
Ground
Analog
Power
Analog
Analog
Analog
Power
Power
Analog
Digital
Digital
Digital
Digital
Analog
Ground
Analog
Analog
Analog
Analog
Power
Power
Analog
Digital
supply
Digital
Digital
Digital
Digital
Analog
Analog
Analog
Ground
Function
LDO3 output voltage
LDO3 supply voltage
Analog ground
Not connected
Output of the internal LDO
Supply of the internal LDO
Not connected
Bandgap reference voltage
BUCK2 supply voltage
LDO_RTC Supply voltage
BUCK2 output voltage
Enable signal
Digital interface
Power Ok: indicates when start-up is completed
User Interrupt, GPIO and Shutdown control
BUCK2 inductor (NMOS switcher output)
BUCK2 ground
BOOST1 output voltage
Not connected
BOOST1 NMOS control signal
BOOST1 current limitation sense voltage
BOOST1 supply voltage
LDO4 supply voltage
LDO4 output voltage
Supply voltage for Digital I/O
Digital interface
Digital interface
Digital interface
32 kHz RTC output clock
RTC crystal oscillator output
RTC crystal oscillator input
Backup Battery and RTC supply
Main G ND and AV SS ground
Comments
Ext. 2.2 μF capacitor (mandatory)
Ext. 470 nF capacitor (mandatory)
Must be connected to the main
battery (mandatory)
Should not be resistively loaded
Must be connected to the main
battery (mandatory)
Internal 100 K ? pull up
Internal 100 K ? pull up
Internal 100 K ? pull up
Must be connected to the main
battery
Ext. 2.2 μF capacitor (mandatory)
open drain
open drain
open drain
die paddle connected to ground
(mandatory)
4
AT73C224
6266A–PMAAC–08-Sep-08
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AT73C224-F
制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Power Management and Analog Companions (PMAAC)
AT73C224-G
制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Power Management and Analog Companions (PMAAC)
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制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Power Management and Analog Companions (PMAAC)
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功能描述:电池管理 Monolithic numeric RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel
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功能描述:其他电源管理 NGD : MONOLITHIC NUMERIC IC RoHS:否 制造商:Texas Instruments 输出电压范围: 输出电流:4 mA 输入电压范围:3 V to 3.6 V 输入电流: 功率耗散: 工作温度范围:- 40 C to + 110 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-48 封装:Reel
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