sp2526a-2 Exar Corporation, sp2526a-2 Datasheet

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sp2526a-2

Manufacturer Part Number
sp2526a-2
Description
Dual Usb High-side Power Switch
Manufacturer
Exar Corporation
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
sp2526a-2EN
Manufacturer:
SIPEX
Quantity:
20 000
Part Number:
sp2526a-2EN-L/TR
Manufacturer:
KAWASAKI
Quantity:
908
Part Number:
sp2526a-2EN-L/TR
Manufacturer:
EXAR
Quantity:
5 000
Part Number:
sp2526a-2EN-L/TR
Manufacturer:
SIPEX
Quantity:
20 000
FEATURES
■ +3.0V to +5.5V Input Voltage Range
■ Two Independent Power Switches
■ Two Error Flag Outputs, Open Drain
■ 2.6V Undervoltage Lockout
■ 1.25A Short Circuit Current Limit
■ 150mΩ Maximum On-Resistance
■ 110µA On-State Supply Current
■ 1µA Shutdown Current
■ Output Can Be Forced Higher Than
■ Thermal Shutdown
■ 1ms Soft-Start Power Up, Fast Turn Off
The SP2526A device is a dual +3.0V to +5.5V USB Supervisory Power Control Switch ideal
for self-powered and bus-powered Universal Serial Bus (USB) applications. Each switch has
low on-resistance (110mΩ typical) and can supply 500mA minimum. The fault currents are
limited to 1.0A typical and the flag output pin for each switch is available to indicate fault
conditions to the USB controller. The thermal shutdown feature will prevent damage to the
device when subjected to excessive current loads. The undervoltage lockout feature will
ensure that the device will remain off unless there is a valid input voltage present.
Two Port Self Powered Hub
Date: 1/4/06
Input (Off-State)
4.50V TO 5.25V
100mA MAX
UPSTREAM VBUS
VBUS
GND
D+
D-
DATA
Dual USB High-Side Power Switch
+ 1µF
Cin
®
IN
SPX1521
GND
OUT
VCC
5.0V
+
10µF
Cout
+
VIN
+33µF
*
SP2526A Dual USB High-Side Power Switch
USB CONTROLLER
33µF, 16V Tantalum, or
100µF, 10V Electrolytic
Bold line indicate high-current traces
GND
10K
OVERCURRENT
OVERCURRENT
10K
ON/OFF
ON
1
■ Active-High Version: SP2526A-1
■ Active-Low Version: SP2526A-2
APPLICATIONS
■ USB Power Management
■ Hot Plug-In Power Supplies
■ Battery Charger Circuit
FLGA
FLGB
ENA
ENB
Now Available in Lead Free Packaging
SP2526A
OUTA
OUTB
TYPICAL APPLICATION CIRCUIT
GND
FLGB
FLGA
ENB
IN
ENA
0.1µF
1
2
3
4
+
+
*
*
Ferrite Bead
8 Pin NSIOC
Ferrite Bead
33µF
SP2526A
Ferrite Bead
33µF
Ferrite Bead
© Copyright 2006 Sipex Corporation
0.01 µF
SP2526A
0.01 µF
DESCRIPTION
DATA
DATA
8
7
6
5
OUTA
GND
OUTB
IN
VBUS
D-
GND
D+
VBUS
D-
GND
D+

Related parts for sp2526a-2

sp2526a-2 Summary of contents

Page 1

... Two Port Self Powered Hub Date: 1/4/06 ENA FLGA FLGB ENB Now Available in Lead Free Packaging ■ Active-High Version: SP2526A-1 ■ Active-Low Version: SP2526A-2 APPLICATIONS ■ USB Power Management ■ Hot Plug-In Power Supplies ■ Battery Charger Circuit TYPICAL APPLICATION CIRCUIT + +33µF ...

Page 2

... V Ω µ SP2526A Dual USB High-Side Power Switch 2 C above +70 C)..........500mW O O ° " " ...

Page 3

... R1 10K R2 SP2526A ENA OUTA FLGA IN FLGB GND ENB OUTB SP2526A Dual USB High-Side Power Switch 3 PIN DESCRIPTION ...

Page 4

... The low limit of the current limit threshold of the SP2526A allows a minimum current of 0.6A through the MOSFET switches. A current limit condition will signal the error flag. Thermal Shutdown When the chip temperature exceeds 135º ...

Page 5

... FLGA ENA Shutdown ENB FLGB Date: 1/4/06 Driver Current Limit Charge Pump Thermal UVLO Current Charge Limit Pump Driver SP2526A Dual USB High-Side Power Switch 5 BLOCK DIAGRAM OUTA OUTB © Copyright 2006 Sipex Corporation ...

Page 6

... Figure 2. Output On-Resistance vs. Temperature 160 140 120 100 100 3 Figure 4. On-state Supply Current vs. Supply Voltage SP2526A Dual USB High-Side Power Switch 47Ω 25º 100 Temperature (°C) Both Switches Supply Voltage (V) © ...

Page 7

... Figure 6. Off-state Supply Current vs. Temperature 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1 100 3 Figure 8. Control Threshold vs. Supply Voltage SP2526A Dual USB High-Side Power Switch 7 Switches Disabled 100 Temperature (°C) Enable Voltage Rising Enable Voltage Falling 3.5 4 4.5 5 5.5 Supply Voltage (V) © Copyright 2006 Sipex Corporation ...

Page 8

... V = +5.0V, single MOSFET switch section, and Figure 9. Turn-on/Turn-off Characteristics Date: 1/4/06 TYPICAL PERFORMANCE CHARACTERISTICS = + unless otherwise noted. AMB RL = 47Ω 0.5 1.5 1.0 2.0 Time (mS) SP2526A Dual USB High-Side Power Switch 8 2.5 © Copyright 2006 Sipex Corporation ...

Page 9

... REF 0.25 BSC - - 0.003 - - 0.003 0º - 8º 0º 5º - 15º 5º 0º 0º 4.90 BSC JL Aug16-05 / Rev A SP2526A Dual USB High-Side Power Switch 9 PACKAGE: 8 Pin NSOIC SIDE VIEW Seating Plane ø Variation AA NOM MAX - 0.069 - 0.010 - 0.065 - 0.020 - 0.010 0.236 BSC ...

Page 10

... SP2526A-1EN ................................................. -40°C to +85°C ................................................... 8-pin NSOIC SP2526A-1EN/TR ........................................... -40°C to +85°C .................................................. 8-pin NSOIC SP2526A-2EN ................................................. -40°C to +85°C ................................................... 8-pin NSOIC SP2526A-2EN/TR ........................................... -40°C to +85°C .................................................. 8-pin NSOIC Available in lead free packaging. To order add “-L” suffix to part number. Example: SP2526A-1EN/TR = standard; SP2526A-1EN-L/TR = lead free. ...

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