參數(shù)資料
型號: LTC4009IUF-1#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: BATTERY CHARGE CONTROLLER, 633 kHz SWITCHING FREQ-MAX, PQCC20
封裝: 4 X 4 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, MO-220WGGD-1, QFN-20
文件頁數(shù): 18/28頁
文件大?。?/td> 351K
代理商: LTC4009IUF-1#PBF
4009fd
LTC4009
LTC4009-1/LTC4009-2
Figure 13. Kelvin Sensing of Charge Current
TO CSP
RIN
4009 F13
DIRECTION OF CHARGING CURRENT
RSENSE
TO CSN
RIN
10. If possible, place all the parts listed above on the same
PCB layer.
11. Copperfillsorpoursaregoodforallpowerconnections
except as noted above in Rule 3. Copper planes on
multiple layers can also be used in parallel. This helps
withthermalmanagementandlowerstraceinductance,
which further improves EMI performance.
12. For best current programming accuracy, provide a
Kelvin connection from RSENSE to CSP and CSN. See
Figure 13 for an example.
13. It is important to minimize parasitic capacitance on
the CSP and CSN pins. The traces connecting these
pins to their respective resistors should be as short
as possible.
applicaTions inForMaTion
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