Diodes AP2156 User Manual

AP2146/AP2156

0.5A DUAL CHANNEL CURRENT-LIMITED POWER SWITCH

IN

Pin Assignments

( Top View )

1

EN1

EN2

2

3

4

FLG1

FLG2

SO-8

8

7

6

5

OUT1

IN

GND

OUT2

( Top View )

EN1
FLG1
FLG2

EN2

1
2
3

4

MSOP-8EP

8

OUT1

7

IN

6

GND

5

OUT2

Applications

 Consumer electronics – LCD TV & Monitor, Game Machines
 Communications – Set-Top-Box, GPS, Smartphone
 Computing – Laptop, Desktop, Servers, Printers, Docking Station,

HUB

OUT1

0.1uF

68uF

Load

Description

The AP2146 and AP2156 are integrated high-side power switches
optimized for Universal Serial Bus (USB) and other hot-swap
applications. The family of devices complies with USB 2.0 and
available with both polarities of Enable input. They offer current and
thermal limiting and short circuit protection as well as controlled rise
time and under-voltage lockout functionality. A 7ms deglitch capability
on the open-drain Flag output prevents false over-current reporting
and does not require any external components.

All devices are available in SO-8 and MSOP-8EP packages.

Features

 Dual USB port power switches
 Over-current and thermal protection
 0.8A accurate current limiting
 Reverse Current Blocking
 90m on-resistance
 Input voltage range: 2.7V - 5.5V
 0.6ms typical rise time
 Very low shutdown current: 1µA (max)
 Fault report (FLG) with blanking time (7ms typ)
 ESD protection: 6KV HBM, 300V MM
 Active low (AP2146) or active high (AP2156) enable
 Ambient temperature range -40ºC to +85°C
 SO-8 and MSOP-8EP (Exposed Pad): Available in “Green”

Molding Compound (No Br, Sb)

 Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
 Halogen and Antimony Free. “Green” Device (Note 3)

 UL Recognized, File Number E322375
 IEC60950-1 CB Scheme Certified

Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.

2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.

3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.

Typical Applications Circuit

Power Supply

2.7V to 5.5V

10k

10k

10uF

0.1uF

AP2146/AP2156

Document number: DS31813 Rev. 3 - 2

OFF

ON

FLG1

OUT2

FLG2

EN1
EN2

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GND

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0.1uF

68uF

Load

March 2013

© Diodes Incorporated

Available Options

Part Number Channel

Enable Pin

(EN)

AP2146 2 Active Low 0.8A 0.5A
AP2156 2 Active High 0.8A 0.5A

Current Limit

Pin Descriptions

Pin Name

Pin Number

SO-8 MSOP-8EP

Function

EN1 1 1 Switch 1 enable input, active low (AP2146) or active high (AP21 56)
FLG1 2 2 Switch 1 over-current and over-temperature fault report, open-dra in
FLG2 3 3 Switch 2 over-current and over-temperature fault report, open-dra in

EN2 4 4 Switch 2 enable input, active low (AP2146) or active high (AP21 56)
OUT2

5 5 Switch 2 voltage output pin

GND 6 6 Ground

IN

OUT1

7 7 Voltage input pin
8 8 Switch 1 voltage output pin

Exposed Pad:

Exposed Pad - Exposed Pad

It should be connected externally to GND and thermal mass for enhanced ther mal impedance.
It should not be used as electrical ground conduction path.

Functional Block Diagram

Thermal

Sense

(typ)

AP2146/AP2156

Recommended Maximum
Continuous Load Current

FLG1

D e g lit c h

EN1

UVLO

IN

UVLO

EN2

Driver

Reverse
blocking

Reverse
blocking

Driver

Thermal

Sense

Current

Limit

CS

CS

Current

Limit

D e g lit c h

GND

GND

OUT1

OUT2

FLG2

AP2146/AP2156

Document number: DS31813 Rev. 3 - 2

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March 2013

© Diodes Incorporated

AP2146/AP2156

Absolute Maximum Ratings (@T

= +25°C, unless otherwise specified.)

A

Symbol Parameter Rating Unit

ESD HBM Human Body Model ESD Protection 6 kV

ESD MM Machine Model ESD Protection 300 V

VIN

V

OUT

V

EN , VFLG

T

I

LOAD
J(MAX)

TST

Note: 4. UL Recognized Rating from -30°C to +70°C (Diodes qualified TST from -65°C to +150°C)

Input Voltage 6.5 V
Output Voltage

VIN +0.3

V
Enable Voltage 6.5 V
Maximum Continuous Load Current Internal Limited A
Maximum Junction Temperature 150 °C
Storage Temperature Range (Note 4) -65 to +150 °C

Recommended Operating Conditions (@T

= +25°C, unless otherwise specified.)

A

Symbol Parameter Min Max Units

V

I

OUT

V
V

T

IN

IL

IH

A

Input voltage 2.7 5.5 V
Output Current 0 500 mA

Low-Level Input Voltage on EN or EN
High-Level Input Voltage on EN or EN

2
0 0.8 V

V

IN

Operating Ambient Temperature -40 +85

V

C

AP2146/AP2156

Document number: DS31813 Rev. 3 - 2

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March 2013

© Diodes Incorporated

AP2146/AP2156

Electrical Characteristics (@T

Symbol Parameter Test Conditions Min Typ Max Unit

V

I

SHDN

I

LEAK

I

R

DS(ON)

I

SHORT

I

LIMIT

I

T

SHORT

V

I

SINK

T

D(ON)

T

D(OFF)

R

T

Blank

T

SHDN

T



Notes: 5. Test condition for SO-8: Device mounted on FR-4 2-layer board, 2oz copper, with minimum recommended pad layout.

6. Test condition for MSOP-8EP: Device mounted on FR-4 2-layer board, 2oz copper, with minimum recommended pad on top layer and 3 vias to bottom
layer ground plane.

Input UVLO

UVLO

Input Shutdown Current
Input Quiescent Current, Dual

I

Q

Input Leakage Current Disabled, OUT grounded 1 µA
Reverse Leakage Current

REV

Switch on-resistance

Short-circuit current limit
Over-Load Current Limit
Current limiting trigger threshold

Trig

Short-circuit response time
EN Input Logic Low Voltage

V

IL

EN Input Logic High Voltage

IH

EN Input leakage
Output turn-on delay time
Output turn-on rise time

TR

Output turn-off delay time
Output turn-off fall time

TF

FLG output FET on-resistance

FLG

FLG blanking time
Thermal shutdown threshold
Thermal shutdown hysteresis 25

HYS

Thermal Resistance Junction-to-Ambient

JA

= +25°C, CIN = 10µF, VIN = +5V, unless otherwise specified.)

A

R

= 1k

LOAD

Disabled, I
Enabled, I

Disabled, VIN = 0V, V

= 5V, I

V

IN

VIN = 3.3V, I

= 0

OUT

= 0

OUT

= 5V, I

OUT

= 0.5A, -40°C  TA  +85°C

OUT

= 0.5A, -40°C  TA  +85°C

OUT

REV

at VIN

MSOP-8EP 90 135 m
SO-8 100 135 m

Enabled into short circuit, CL = 68µF
VIN = 5V, V

= 4.8V, CL = 120µF, -40°C  TA  +85°C

OUT

VIN = VEN, Output Current Slew rate (<100A/WS), CL = 22µF
V

= 0V to I

OUT

V

= 2.7V to 5.5V

IN

V

= 2.7V to 5.5V

IN

= 5V

V

EN

CL=1µF, R
CL=1µF, R
CL=1µF, R
CL=1µF, R
I

=10mA

FLG

C

=10µF, CL = 68µF

IN

Enabled, R

LOAD
LOAD
LOAD
LOAD

LOAD

OUT

= 10
= 10
= 10
= 10

= 1k

= I

(short applied to output), CL = 22µF

LIMIT

SO-8 (Note 5) 110
MSOP-8EP (Note 6) 60 oC/W

1.6 1.9 2.5 V

0.5 1 µA
95 140 µA

1 µA

120 160 m

0.7 A

0.6 0.8 1.0 A

1.0 A
20 µs

0.8 V

2 V

1 µA

0.05 ms

0.6 1.5 ms

0.01 ms

0.05 0.1 ms
20 40 

4 7 15 ms

140

C
C

o

C/W

AP2146/AP2156

Document number: DS31813 Rev. 3 - 2

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March 2013

© Diodes Incorporated

Typical Performance Characteristics

AP2146/AP2156

Ven 1
5V/div

Vout 1
2V/div

V

EN

V

OUT

50%

T

D(ON)

T

10%

50%

R

90%

T

Figure 1 Voltage Waveforms: AP2146 (left), AP2156 (right)

Channel 1 Turn-On Delay and Rise Time

V

D(OFF)

90%

10%

EN

T

F

V

OUT

50%

T

D(ON)

All Enable Plots are for AP2146 Active Low

Channel 1 Turn-Off Delay and Fall Time

Ven 1
5V/div

Vout 1
2V/div

CL=1uF
TA=25°C
RL=10

T

10%

50%

T

R

90%

D(OFF)

90%

10%

T

F

CL=1uF
TA=25°C
RL=10

Channel 2 Turn-On Delay and Rise Time

Ven 2
5V/div

Vout 2
2V/div

AP2146/AP2156

Document number: DS31813 Rev. 3 - 2

500µs/div

500µs/div

Channel 2 Turn-Off Delay and Fall Time

Ven 2
5V/div

CL=1uF
TA=25°C
RL=10

March 2013

© Diodes Incorporated

500µs/div

Vout 2
2V/div

CL=1uF
TA=25°C
RL=10

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500µs/div

Typical Performance Characteristics (cont.)

Channel 1 Turn-On Delay and Rise Time

AP2146/AP2156

Channel 1 Turn-Off Delay and Fall Time

Ven 1
5V/div

Vout 1
2V/div

Ven 2
5V/div

Vout 2
2V/div

500µs/div

Channel 2 Turn-On Delay and Rise Time

500µs/div

Channel 1 Short Circuit Current,

Device Enabled Into Short

CL=100uF
TA=25°C
RL=10

CL=100uF
TA=25°C
RL=10

Ven 1
5V/div

Vout 1
2V/div

Ven 2
5V/div

Vout 2
2V/div

500µs/div

Channel 2 Turn-Off Delay and Fall Time

500µs/div

Channel 2 Short Circuit Current,

Device Enabled Into Short

CL=100uF
TA=25°C
RL=10

CL=100uF
TA=25°C
R

=10

L

Ven 1
5V/div

Iout 1
200mA/div

AP2146/AP2156

Document number: DS31813 Rev. 3 - 2

500µs/div

VIN=5V
TA=25°C
CL=22uF

Ven 2
5V/div

Iout 2
200mA/div

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500µs/div

VIN=5V
TA=25°C
CL=22uF

March 2013

© Diodes Incorporated