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參數(shù)資料
| 型號： | MCP73832-5DCI/MC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | 2 X 3 MM, 0.90 MM HEIGHT, PLASTIC, MO-229VCED-2, DFN-8 |
| 文件頁數(shù)： | 24/24頁 |
| 文件大?。?/td> | 786K |
| 代理商： | MCP73832-5DCI/MC |
2007 Microchip Technology Inc.
DS21984C-page 9
MCP73831/2
3.0
PIN DESCRIPTION
The descriptions of the pins are listed in Table 3-1.
TABLE 3-1:
PIN FUNCTION TABLES
3.1
Battery Management Input Supply
(VDD)
A supply voltage of [VREG (typical) + 0.3V] to 6V is
recommended. Bypass to VSS with a minimum of
4.7 F.
3.2
Battery Charge Control Output
(VBAT)
Connect to positive terminal of battery. Drain terminal
of internal P-channel MOSFET pass transistor. Bypass
to VSS with a minimum of 4.7 F to ensure loop stability
when the battery is disconnected.
3.3
Charge Status Output (STAT)
STAT is an output for connection to an LED for charge
status indication. Alternatively, a pull-up resistor can be
applied for interfacing to a host microcontroller.
STAT is a tri-state logic output on the MCP73831 and
an open-drain output on the MCP73832.
3.4
Battery Management 0V Reference
(VSS)
Connect to negative terminal of battery and input
supply.
3.5
Current Regulation Set (PROG)
Preconditioning, fast charge and termination currents
are scaled by placing a resistor from PROG to VSS.
The charge management controller can be disabled by
allowing the PROG input to float.
Pin No.
Symbol
Function
DFN
SOT-23-5
14
VDD
Battery Management Input Supply
2—
VDD
Battery Management Input Supply
33
VBAT
Battery Charge Control Output
4—
VBAT
Battery Charge Control Output
5
1
STAT
Charge Status Output
62
VSS
Battery Management 0V Reference
7
—
NC
No Connection
8
5
PROG
Current Regulation Set and Charge Control Enable
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