IRS20954S Selling Leads, Price trend, IRS20954S DataSheet download, circuit diagram from SeekIC.com

Features: · Floating PWM input enables easy half bridge implementation· Integrated programmable bi-directional over-current protection with self-reset function· Programmable compensated preset deadtime for improved THD performances· High noise immunity· ±100 V high voltage ratings deliver up to 50...

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SeekIC No. : 004378739 Detail

IRS20954S: Features: · Floating PWM input enables easy half bridge implementation· Integrated programmable bi-directional over-current protection with self-reset function· Programmable compensated preset deadt...

IRS20954S Data Sheet

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Part Number:: IRS20954S
Supply Ability:: 5000

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1~5000

Unit Price
Negotiable

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15 Days

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Upload time: 2024/11/21

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Product Details

Description

Features:

· Floating PWM input enables easy half bridge implementation
· Integrated programmable bi-directional over-current protection with self-reset function
· Programmable compensated preset deadtime for improved THD performances
· High noise immunity
· ±100 V high voltage ratings deliver up to 500W output power
· 3.3 V / 5 V logic compatible input
· Operates up to 800 kHz
· RoHS compliant

Specifications

Symbol	Definition	Min.	Max.	Units
V_B	High-side floating supply voltage	-0.3	220	V
V_S	High-side floating supply voltage (Note 1)	V_B-20	V_B+0.3
V_HO	High-side floating output voltage	V_s-0.3	V_B+0.3
V_CSH	CSH pin input voltage	V_s-0.3	V_B+0.3
V_CC	Low-side fixed supply voltage (Note 1)	-0.3	20
V_LO	Low-side output voltage	-0.3	V_CC +0.3
V_DD	Floating input supply voltage	-0.3	210
V_SS	Floating input supply voltage (Note 1)	(see IDDZ)	V_DD+0.3
V_IN	PWM input voltage	V_SS -0.3	V_DD+0.3
V_CSD	CSD pin input voltage	V_SS -0.3	V_DD+0.3
V_DT	DT pin input voltage	-0.3	V_CC +0.3
V_OCSET	OCSET pin input voltage	-0.3	V_CC +0.3
V_REF	VREF pin voltage	-0.3	V_CC +0.3
I_DDZ	Floating input supply zener clamp current (Note 1)	-	10	mA
I_CCZ	Low-side supply zener clamp current (Note 1)	-	10
I_BSZ	Floating supply zener clamp current (Note 1)	-	10
I_OREF	Reference output current	-	5
d _{VS /dt}	Allowable VS voltage slew rate	-	50	V/ns
d _{VSS /dt}	Allowable VSS voltage slew rate (Note 2)	-	50	V/ns
d _{VSS /dt}	Allowable VSS voltage slew rate upon power-up (Note 3)	-	50	V/ms
P_D	Maximum power dissipation	-	1.0	W
R_th,JA	Thermal resistance, junction to ambient	-	115	/W
T_J	Junction temperature	-	150
T_S	Storage temperature	-55	150
T_L	Lead temperature (soldering, 10 seconds)	-	300

Note1: V_DD - V_SS, V_CC -COM and V_B - V_S contain internal shunt zener diodes. Please note that the voltage
ratings of these can be limited by the clamping current.
Note2: For the rising and falling edges of step signal of 10 V; V_ss=15 V to 200 V.
Note3: V_ss ramps up from 0 V to 200 V.

Description

The IRS20954 is a high voltage, high speed MOSFET driver with floating PWM input, specially designed for Class D audio amplifier applications. The bi-directional current sensing requires no external shunt resistors. It can capture over-current conditions at either positive or negative load current direction. A built-in control block provides secure protection sequence against over-current conditions, including a programmable reset timer. The internal deadtime generation block provides accurate gate switch timing and enables optimum deadtime settings for better audio performances, such as THD and audio noise floor.

IRS20954S

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