HCPL-314J-500E Equivalent & Substitute Parts

Part Overview

The HCPL-314J-500E is a 2-channel optical isolation gate driver manufactured by Broadcom Limited, designed for high-voltage switching applications requiring galvanic isolation. This component provides 5000Vrms isolation with dual-channel output capability in a 16-SO surface mount package. The part is currently in active production status with 16,450 units in stock.

Substitute parts are necessary when design requirements include single-channel configurations, reduced package footprint, improved propagation delay characteristics, or alternative isolation voltage ratings while maintaining compatibility with gate driver applications.

Key Parameters

Parameter	HCPL-314J-500E
Manufacturer	Broadcom Limited
Technology	Optical Coupling
Number of Channels	2
Voltage - Isolation	5000Vrms
Current - Peak Output	600mA
Voltage - Output Supply	10V ~ 30V
Package / Case	16-SOIC (0.295", 7.50mm Width)
Operating Temperature	-40°C ~ 100°C
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution logic for the HCPL-314J-500E is determined by the following criteria:

Primary Substitution Parameters:

Technology: Optical Coupling (all substitutes maintain this technology)
Manufacturer: Broadcom Limited (all substitutes from same manufacturer)
Mounting Type: Surface Mount (all substitutes use surface mount)
RoHS Status: ROHS3 Compliant (all substitutes maintain compliance)

Acceptable Variations:

Number of Channels: Reduction from 2 to 1 channel is acceptable when single-channel isolation is sufficient
Voltage - Isolation: Both 5000Vrms (ACPL-W series) and 3750Vrms (ACPL-P series) are listed as valid substitutes
Package / Case: 6-SOIC (0.268", 6.80mm Width) represents a smaller footprint alternative
Current - Peak Output: Increase from 600mA to 1A is acceptable for enhanced output capability
Propagation Delay: Faster switching characteristics (110ns–200ns) are acceptable improvements
Operating Temperature: Extended range to 105°C is acceptable

All substitute parts maintain optical coupling technology, surface mount configuration, ROHS3 compliance, and Broadcom Limited manufacturing.

Parameter Comparison

Parameter	HCPL-314J-500E	ACPL-W345-500E	ACPL-W340-500E	ACPL-W347-500E	ACPL-P345-500E	ACPL-P340-500E	ACPL-P347-500E
Manufacturer	Broadcom Limited	Broadcom Limited	Broadcom Limited	Broadcom Limited	Broadcom Limited	Broadcom Limited	Broadcom Limited
Technology	Optical Coupling	Optical Coupling	Optical Coupling	Optical Coupling	Optical Coupling	Optical Coupling	Optical Coupling
Number of Channels	2	1	1	1	1	1	1
Voltage - Isolation	5000Vrms	5000Vrms	5000Vrms	5000Vrms	3750Vrms	3750Vrms	3750Vrms
Common Mode Transient Immunity (Min)	25kV/µs	50kV/µs	35kV/µs	50kV/µs	50kV/µs	35kV/µs	50kV/µs
Propagation Delay tpLH / tpHL (Max)	700ns, 700ns	120ns, 120ns	200ns, 200ns	110ns, 110ns	120ns, 120ns	200ns, 200ns	110ns, 110ns
Current - Peak Output	600mA	1A	1A	1A	1A	1A	1A
Voltage - Output Supply	10V ~ 30V	10V ~ 20V	15V ~ 30V	15V ~ 30V	10V ~ 20V	15V ~ 30V	15V ~ 30V
Package / Case	16-SOIC (0.295", 7.50mm Width)	6-SOIC (0.268", 6.80mm Width)	6-SOIC (0.268", 6.80mm Width)	6-SOIC (0.268", 6.80mm Width)	6-SOIC (0.268", 6.80mm Width)	6-SOIC (0.268", 6.80mm Width)	6-SOIC (0.268", 6.80mm Width)
Operating Temperature	-40°C ~ 100°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

ACPL-W Series (5000Vrms Isolation): The ACPL-W345-500E, ACPL-W340-500E, and ACPL-W347-500E maintain the 5000Vrms isolation rating of the HCPL-314J-500E. These parts are suitable for applications requiring equivalent isolation voltage specifications. ACPL-W345-500E and ACPL-W347-500E offer improved propagation delay characteristics (120ns and 110ns respectively) compared to the original 700ns specification. ACPL-W340-500E provides a mid-range propagation delay of 200ns. All ACPL-W variants are ROHS3 compliant and active production status.

ACPL-P Series (3750Vrms Isolation): The ACPL-P345-500E, ACPL-P340-500E, and ACPL-P347-500E provide 3750Vrms isolation, which is lower than the original specification. These parts are suitable only for applications where the reduced isolation voltage is acceptable. ACPL-P345-500E and ACPL-P347-500E offer superior propagation delay performance (120ns and 110ns respectively). All ACPL-P variants are ROHS3 compliant and active production status.

Package Footprint Consideration: All substitute parts use 6-SOIC packaging (0.268", 6.80mm Width), representing a reduction from the original 16-SOIC (0.295", 7.50mm Width). This smaller footprint is accompanied by single-channel configuration versus the original dual-channel design.

Output Current Enhancement: All substitute parts provide 1A peak output current, exceeding the original 600mA specification, enabling higher gate drive capability.

Frequently Asked Questions (FAQ)

Q: Can ACPL-P series parts (3750Vrms) directly replace HCPL-314J-500E (5000Vrms)? A: ACPL-P series substitution is valid only when the application's isolation voltage requirement is 3750Vrms or lower. If the design specifies 5000Vrms isolation, ACPL-W series parts must be used.

Q: What is the primary difference between ACPL-W and ACPL-P series? A: The primary difference is isolation voltage rating. ACPL-W series maintains 5000Vrms isolation matching the original part. ACPL-P series provides 3750Vrms isolation. Both series use identical optical coupling technology and surface mount configuration.

Q: How does the single-channel configuration affect substitution? A: All substitute parts provide single-channel isolation versus the original dual-channel design. Single-channel substitution is valid when the application requires only one isolated gate driver channel. Dual-channel applications require the original HCPL-314J-500E or equivalent dual-channel alternatives.

Q: What are the propagation delay differences among substitute options? A: ACPL-W345-500E and ACPL-P345-500E provide 120ns propagation delay. ACPL-W347-500E and ACPL-P347-500E provide 110ns propagation delay. ACPL-W340-500E and ACPL-P340-500E provide 200ns propagation delay. The original HCPL-314J-500E specifies 700ns propagation delay. Faster propagation delay enables higher switching frequencies.

Q: Are all substitute parts ROHS3 compliant? A: Yes, all listed substitute parts are ROHS3 compliant, matching the original HCPL-314J-500E compliance status.

Q: What is the operating temperature range for substitute parts? A: All substitute parts operate from -40°C to 105°C, extending the upper temperature limit by 5°C compared to the original specification of -40°C to 100°C.

Q: How does the output supply voltage range differ? A: The original HCPL-314J-500E operates from 10V to 30V. ACPL-W345-500E and ACPL-P345-500E operate from 10V to 20V. ACPL-W340-500E, ACPL-W347-500E, ACPL-P340-500E, and ACPL-P347-500E operate from 15V to 30V. Verify output supply voltage compatibility with your application before substitution.

Q: What inventory levels are available for substitute parts? A: ACPL-W340-500E has the highest inventory at 91,935 units. ACPL-W345-500E has 1,982 units. ACPL-W347-500E has 2,100 units. ACPL-P340-500E has 3,660 units. ACPL-P345-500E has 1,360 units. ACPL-P347-500E has 2,912 units.

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