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參數資料
型號: ISP1161A1BM
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: Universal Serial Bus single-chip host and device controller
中文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP64
封裝: 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-414-1, LQFP-64
文件頁數: 37/127頁
文件大小: 2762K
代理商: ISP1161A1BM
Philips Semiconductors
ISP1161
Full-speed USB single-chip host and device controller
Product data
Rev. 01 — 3 July 2001
37 of 130
9397 750 08313
Philips Electronics N.V. 2001. All rights reserved.
9.8 Overcurrent detection and power switching control
A downstream port provides +5 V power supply to the V
BUS
. The ISP1161 has built-in
hardware functions to monitor the downstream ports loading conditions and control
their power switching. These hardware functions are implemented by the internal
power switching control circuit and overcurrent detection circuit. H_PSW1 and
H_PSW2 are power switching control output pins (active LOW, open drain) for
downstream port 1 and 2, respectively. H_OC1 and H_OC2 are overcurrent detection
input pins for downstream ports 1 and 2, respectively. Let H_PSWn denote either
H_PSW1 or H_PSW2 and H_OCn denote either H_OC1 or H_OC2.
Figure 34
shows the ISP1161 downstream port power management scheme.
Using either internal or external 15 k
resistors.
Fig 33. Use of 15 k
pull-down resistors on downstream ports.
MGT957
22
22
bit 12
HcHardware
Configuration
ISP1161
USB
connector
D
D
+
VBUS
internal
15 k
(2
×
)
external
15 k
(2
×
)
47 pF
(2
×
)
Fig 34. Downstream port power management scheme.
MGT959
1
0
Reg
bit 10
PSW
OC select
OC detect
regulator
H_OCn
H_PSWn
HC CORE
C/L
ISP1161
VCC
(
+
5 V or
+
3.3 V)
HcHardware
Configuration
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相關代理商/技術參數
參數描述
ISP1161A1BM,518 功能描述:USB 接口集成電路 USB1.1 HOST/DEVICE RoHS:否 制造商:Cypress Semiconductor 產品:USB 2.0 數據速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20
ISP1161A1BM,551 功能描述:USB 接口集成電路 USB HOST+DEV CTRLR RoHS:否 制造商:Cypress Semiconductor 產品:USB 2.0 數據速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20
ISP1161A1BM,557 功能描述:USB 接口集成電路 DO NOT USE ORDER -S OR -T PART RoHS:否 制造商:Cypress Semiconductor 產品:USB 2.0 數據速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20
ISP1161A1BMGA 功能描述:IC USB HOST/DEVICE CTRLR 64-LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標準包裝:4,900 系列:- 控制器類型:USB 2.0 控制器 接口:串行 電源電壓:3 V ~ 3.6 V 電流 - 電源:135mA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:36-VFQFN 裸露焊盤 供應商設備封裝:36-QFN(6x6) 包裝:* 其它名稱:Q6396337A
ISP1161A1BM-S 功能描述:USB 接口集成電路 USB HOST+DEV CTRLR RoHS:否 制造商:Cypress Semiconductor 產品:USB 2.0 數據速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20
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