參數(shù)資料
型號(hào): ISP1301BS
廠商: NXP SEMICONDUCTORS
元件分類: 通用總線功能
英文描述: Universal Serial Bus On-The-Go transceiver
中文描述: LINE TRANSCEIVER, PQCC24
封裝: 4 X 4 MM, 0.85 MM HEIGHT, LEAD FREE AND HALOGEN FREE, PLASTIC, MO-220, SOT-616-1, HVQFN-24
文件頁數(shù): 11/46頁
文件大?。?/td> 245K
代理商: ISP1301BS
Philips Semiconductors
ISP1301
USB OTG transceiver
Product data
Rev. 01 — 14 April 2004
11 of 46
9397 750 11355
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
8.9.10
V
BAT
This pin is an input and supplies power to the ISP1301. The ISP1301 operates when
V
BAT
is between 2.7 V and 4.5 V.
8.9.11
C1 and C2
The C1 and C2 pins are for connecting the flying capacitor of the charge pump. The
output current capacity of the charge pump depends on the value of the capacitor.
For maximum efficiency, place capacitors as close as possible to the pins.
[1]
[2]
For output voltage V
BUS
> 4.7 V (bit VBUS_VLD = 1).
For V
BAT
= 3.0 V to 4.5 V.
8.9.12
V
DD_LGC
This pin is an input and sets logic thresholds. It also powers the pads of the following
logic pins:
ADR/PSW
DAT/VP, SE0/VM and RCV
VM and VP
INT_N
OE_N/INT_N
RESET_N
SPEED
SUSPEND
SCL and SDA.
8.9.13
AGND, CGND and DGND
AGND, CGND and DGND are ground pins for analog, charge pump and digital
circuits, respectively. These pins can be connected separately or together depending
on the system performance requirements.
Fig 5.
Charge pump capacitor.
Table 3:
C
ext
47 nF
100 nF
Recommended charge pump capacitor value
I
L
(max)
[1]
8 mA
18 mA
[2]
004aaa278
IL
ISP1301
VBUS
C1
C2
Cext
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