BTD21520 datasheet(1/19 Pages) BASICSEMI

Part #	BTD21520

Description	Dual-Channel Isolated Gate Driver

PDF	19 Pages

Scroll/Zoom	100%

Manufacturer	BASICSEMI [BASIC SEMICONDUCTOR]

Direct Link	https://www.basicsemi.com/

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1 / 19 page

www.basicsemi.com

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Rev.0.0

Dual-ChannelIsolatedGateDriver

BTD21520x

• Isolation voltage up to 5000Vrms

• Dual-channel isolated driver

• Primary-side supply supporting 3-18V

• Secondary-side supply supporting up to 25V

• 4-A peak source, 6-A peak sink at output

• Integrated disable function

• Integrated dead time setting function

• Propagation delay 45ns (typical)

• Operating temperature -40~125℃

• SOW-14 wide body package

1.Features

2.Applications

BTD21520 is an isolated dual-channel gate driver with

peak 4-A source current and peak 6-A sink current.It

isolates primary-side from secondary-side by a 5k Vrms

reinforced isolation barrier, and its propagation delay for

turn-on/turn-off is 45ns. The wide input voltage ranged

from 3V to 18V for the primary side power supply makes

the driver suitable for interfacing with both digital and

analog controllers.

Internal functional isolation between the two second-

ary-side drivers allows a operating voltage of up to 1500

VDC. The driver can be configured as two low-side driv-

ers, two high-side drivers, or a half-bridge driver with

programmable dead time (DT).It can also be equipped

with disable (DIS) pin. When the DIS pin is set high, it

shuts down both outputs simultaneously. When the DIS

pin is left open or grounded, it allows the device to oper-

ate normally.

Industrial:

• Power distribution

• Motor control systems

• Isolated switched-mode power supplies

• Lighting systems

• Plasma displays

• PV and industrial inverters

3.Description

Dual-ChannelIsolatedGateDriver

BTD21520x

BTD21520M

UVLO

Level

Shift

and

Ctrl

Logic

UVLO

Level

Shift

and

Ctrl

Logic

UVLO

and

input

Iogic

VCC

IN1

IN2

DIS

NC

GND

VDD1

OUT1

VEE1

VDD2

OUT2

VEE2

1

3

8

2

7

6

5

4

10

11

9

14

15

16

UVLO

Level

Shift

and

Ctrl

Logic

UVLO

Level

Shift

and

Ctrl

Logic

UVLO

and

input

Iogic

VCC

IN1

IN2

DIS

DT

NC

GND

VDD1

OUT1

VEE1

VDD2

OUT2

VEE2

1

3

8

2

7

6

5

4

10

11

9

14

15

16

UVLO

Level

Shift

and

Ctrl

Logic

UVLO

Level

Shift

and

Ctrl

Logic

UVLO

and

input

Iogic

VCC

PWM

NC

DIS

DT

NC

GND

VDD1

OUT1

VEE1

VDD2

OUT2

VEE2

1

3

8

2

7

6

5

4

10

11

9

14

15

16

4.FunctionalBlockDiagram

BTD21520S

UVLO

Level

Shift

and

Ctrl

Logic

UVLO

Level

Shift

and

Ctrl

Logic

UVLO

and

input

Iogic

VCC

IN1

IN2

DIS

NC

GND

VDD1

OUT1

VEE1

VDD2

OUT2

VEE2

1

3

8

2

7

6

5

4

10

11

9

14

15

16

UVLO

Level

Shift

and

Ctrl

Logic

UVLO

Level

Shift

and

Ctrl

Logic

UVLO

and

input

Iogic

VCC

IN1

IN2

DIS

DT

NC

GND

VDD1

OUT1

VEE1

VDD2

OUT2

VEE2

1

3

8

2

7

6

5

4

10

11

9

14

15

16

UVLO

Level

Shift

and

Ctrl

Logic

UVLO

Level

Shift

and

Ctrl

Logic

UVLO

and

input

Iogic

VCC

PWM

NC

DIS

DT

NC

GND

VDD1

OUT1

VEE1

VDD2

OUT2

VEE2

1

3

8

2

7

6

5

4

10

11

9

14

15

16

BTD21520E

UVLO

Level

Shift

and

Ctrl

Logic

UVLO

Level

Shift

and

Ctrl

Logic

UVLO

and

input

Iogic

VCC

IN1

IN2

DIS

NC

GND

VDD1

OUT1

VEE1

VDD2

OUT2

VEE2

1

3

8

2

7

6

5

4

10

11

9

14

15

16

UVLO

Level

Shift

and

Ctrl

Logic

UVLO

Level

Shift

and

Ctrl

Logic

UVLO

and

input

Iogic

VCC

IN1

IN2

DIS

DT

NC

GND

VDD1

OUT1

VEE1

VDD2

OUT2

VEE2

1

3

8

2

7

6

5

4

10

11

9

14

15

16

UVLO

Level

Shift

and

Ctrl

Logic

UVLO

Level

Shift

and

Ctrl

Logic

UVLO

and

input

Iogic

VCC

PWM

NC

DIS

DT

NC

GND

VDD1

OUT1

VEE1

VDD2

OUT2

VEE2

1

3

8

2

7

6

5

4

10

11

9

14

15

16

Automotive:

• On-board chargers

• Battery management systems

• Charging stations

• Traction inverters

• Hybrid Vehicles

• Battery electric vehicles

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