BD2041AFJ_11 ROHM [Rohm], BD2041AFJ_11 Datasheet

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BD2041AFJ_11

Manufacturer Part Number
BD2041AFJ_11
Description
1ch High Side Switch ICs for USB Devices and Memory Cards
Manufacturer
ROHM [Rohm]
Datasheet
Power Management Switch ICs for PCs and Digital Consumer Products
1ch High Side Switch ICs
for USB Devices and Memory Cards
●Description
●Features
●Applications
●Lineup
●Absolute Maximum Ratings
© 2011 ROHM Co., Ltd. All rights reserved.
www.rohm.com
BD2041AFJ,BD2051AFJ,BD6519FJ
Single channel high side switch IC for USB port is a high side switch having over current protection used in power supply line
of universal serial bus (USB).
N-channel power MOSFET of low on resistance and low supply current are realized in this IC.
And, over current detection circuit, thermal shutdown circuit, under voltage lockout and soft start circuit are built in.
USB hub in consumer appliances, Car accessory, PC, PC peripheral equipment, and so forth
10) Power supply voltage range
Continuous current load (A)
Output current at short (A)
Control input logic
Supply voltage
Enable voltage
/OC voltage
/OC current
OUT voltage
Storage temperature
Power dissipation
*1 In the case of exceeding Ta = 25°C, 4.48mW should be reduced per 1°C.
*
※ IN, EN (/EN), and /OC terminal of BD2041AFJ/BD2051AFJ correspond to VDD, CTRL, and FLAG terminal of BD6519FJ, respectively.
11) Operating temperature range -40°C~85°C
1) Built-in low on resistance Nch MOS FET Switch.
2) Continuous current load 0.5A
3) Control input logic
4) Soft start circuit
5) Over current detection
6) Thermal shutdown
7) Under voltage lockout
8) Open drain error flag output
9) Reverse-current protection when power switch off
This chip is not designed to protect itself against radioactive rays.
Parameter
Parameter
Typ = 80mΩ (BD2041AF/BD2051AFJ)
Typ = 100mΩ (BD6519FJ)
Active-Low : BD2041AFJ/ BD6519FJ
Active-High : BD2051AFJ
2.7V~5.5V (BD2041AF/BD2051AFJ)
3.0V~5.5V (BD6519FJ)
V
Symbol
EN
IS
V
T
V
V
PD
OUT
STG
BD2041AFJ
, V
/OC
/OC
IN
/EN
Low
0.5
1.0
-0.3 to 6.0
-0.3 to 6.0
-0.3 to 6.0
-0.3 to 6.0
-55 to 150
1/18
Limits
560
10
BD2051AFJ
*1
High
0.5
1.0
Unit
mW
mA
°C
V
V
V
V
BD6519FJ
Low
0.5
1.1
2011.05 - Rev.B
No.11029EBT03

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BD2041AFJ_11 Summary of contents

Page 1

Power Management Switch ICs for PCs and Digital Consumer Products 1ch High Side Switch ICs for USB Devices and Memory Cards BD2041AFJ,BD2051AFJ,BD6519FJ ●Description Single channel high side switch IC for USB port is a high side switch having over current ...

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BD2041AFJ,BD2051AFJ,BD6519FJ ●Operating conditions ◎BD2041AF/BD2051AFJ Parameter Operating voltage Operating temperature Continuous output current ◎BD6519FJ Parameter Operating voltage Operating temperature Continuous output current ●Electrical characteristics ◎BD2041AFJ (Unless otherwise specified, V Parameter Operating Current Standby Current /EN input voltage /EN input current /OC ...

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BD2041AFJ,BD2051AFJ,BD6519FJ ◎BD2051AFJ (Unless otherwise specified, V Parameter Operating Current Standby Current EN input voltage EN input current /OC output LOW voltage /OC output leak current ON resistance Output current at short Output rise time Output turn on time Output fall ...

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BD2041AFJ,BD2051AFJ,BD6519FJ ●Measurement circuit 1uF GND IN IN EN(/EN /EN Operating current V IN 1uF GND OUT IN OUT IN OUT EN(/EN) / /EN ON resistance, Over current detection ●Timing ...

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BD2041AFJ,BD2051AFJ,BD6519FJ ●Reference data (BD2041AFJ/BD2051AFJ) 120 Ta=25°C 100 SUPPLY VOLTAGE : V [V] IN Fig.4 Operating current EN,/EN Enable 1.0 V =5.0V IN 0.8 0.6 0.4 0.2 0.0 - ...

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BD2041AFJ,BD2051AFJ,BD6519FJ 5.0 Ta=25°C 4.0 3.0 2.0 1.0 0 SUPPLY VOLTAGE : V [V] IN Fig.16 Output rise time 5.0 V =5.0V IN 4.0 3.0 2.0 1.0 0.0 - 100 AMBIENT TEMPERATURE : Ta[ ...

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BD2041AFJ,BD2051AFJ,BD6519FJ ●Waveform data (BD2041AFJ/BD2051AFJ) V /EN (5V/div.) V /OC (5V/div.) V OUT (5V/div =5V OUT IN (0.5A/div.) R =10 Ω =100μF L TIME(1ms/div.) Fig.26 Output rise characteristic (BD2041AFJ) V /OC (5V/div.) V OUT (5V/div.) I OUT ...

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BD2041AFJ,BD2051AFJ,BD6519FJ ●Reference data (BD6519FJ) 120 Ta=25°C 100 SUPPLY VOLTAGE : V [V] DD Fig.36 Operating current CTRL Enable 1.0 V =5.0V DD 0.8 0.6 0.4 0.2 0.0 - ...

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BD2041AFJ,BD2051AFJ,BD6519FJ 5.0 Ta=25°C 4.0 3.0 2.0 1.0 0 SUPPLY VOLTAGE : Fig.48 FLAG output delay 5.0 V =5.0V DD 4.0 3.0 2.0 1.0 0.0 - 100 AMBIENT TEMPERATURE : ...

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BD2041AFJ,BD2051AFJ,BD6519FJ ●Waveform data (BD6519FJ CTRL (1V/div.) R =10 Ω =147μ OUT (1V/div.) I OUT (0.2A/div.) V FLAG (1V/div.) TIME(1ms/div.) Fig.60 Output rise characteristic V OUT (1V/div.) I OUT (0.2A/div.) V FLAG V ...

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BD2041AFJ,BD2051AFJ,BD6519FJ ●Block diagram (BD2041AFJ/2051AFJ) GND Charge IN UVLO pump IN Gate logic EN(/EN) TSD Fig.70 Block diagram ●Pin description (BD2041AFJ/2051AFJ) Pin No. Symbol 1 GND (/EN OUT ●I/O circuit (BD2041AFJ/2051AFJ) ...

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BD2041AFJ,BD2051AFJ,BD6519FJ ●Block diagram (BD6519FJ) GND Charge VDD UVLO pump VDD Gate logic CTRL TSD Fig.72 Block diagram ●Pin description (BD6519FJ) Pin No. Symbol 1 GND 2, 3 VDD 4 CTRL 5 FLAG OUT ●I/O circuit (BD6519FJ) Symbol ...

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BD2041AFJ,BD2051AFJ,BD6519FJ ●Functional description (BD2041AFJ/2051AFJ) 1. Switch operation IN terminal and OUT terminal are connected to the drain and the source of switch MOSFET respectively. And the IN terminal is used also as power source input to internal control circuit. When ...

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BD2041AFJ,BD2051AFJ,BD6519FJ ●Functional description (BD6519FJ) 1. Switch operation VDD terminal and OUT terminal are connected to the drain and the source of switch MOSFET respectively. And the VDD terminal is used also as power source input to internal control circuit. When ...

Page 15

BD2041AFJ,BD2051AFJ,BD6519FJ V /EN V OUT I OUT V /OC Fig.74 Over current detection, thermal shutdown timing OUT I OUT V /OC Fig.75 Over current detection, thermal shutdown timing ※ IN, EN (/EN), and /OC terminal of BD2041AFJ/BD2051AFJ ...

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BD2041AFJ,BD2051AFJ,BD6519FJ ●Application information When excessive current flows owing to output shortcircuit or so, ringing occurs by inductance of power source line to IC, and may cause bad influences upon IC actions. In order to avoid this case, connect a bypath ...

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BD2041AFJ,BD2051AFJ,BD6519FJ (4) Power supply line Design PCB pattern to provide low impedance for the wiring between the power supply and the GND lines. In this regard, for the digital block power supply and the analog block power supply, even though ...

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BD2041AFJ,BD2051AFJ,BD6519FJ ●Ordering part number Part No. Part No. 2041A 2051A 6519 SOP-J8 4.9±0.2 (MAX 5.25 include BURR) + 6° 4° −4° 0.545 0.2±0.1 S 1.27 0.42±0.1 0.1 S ...

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No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose ...

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