CHIPNOBO

Semiconductor Replacement Engineering & Supply Continuity

Power Distribution Switches, Load Drivers

PRODUCT DATASHEET

ChipNobo MPN

NB521S

GLOBAL BRAND CROSS-REFERENCE

Infineon Technologies

IC PWR SWITCH N-CHAN 1:1 D2PAK

IPS521S

  • High-reliability design
  • Long-term stable supply
  • RoHS compliant
IC PWR SWITCH N-CHAN 1:1 D2PAK

1. PRODUCT POSITIONING

NB521S is a product identity corresponding to the reference product IPS521S. This document presents the available product specifications, mechanical/package information and compatibility summary for engineering and procurement reference.

This document is a product information. Compatibility conclusions should be read together with the applicable Cross-Reference Identification (CID) rule, package/pin verification and engineering review record.

2. TECHNICAL SPECIFICATION COMPARISON (core parameters)
Parameter Infineon Technologies IPS521S ChipNobo NB521S Match
Part Status Active Active ✓
Mounting Type Surface Mount Surface Mount ✓
Number of Outputs 1 1 ✓
Input Type Non-Inverting Non-Inverting ✓
Output Configuration High Side High Side ✓
Ratio - Input:Output 1:1 1:1 ✓
Operating Temperature -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ) ✓
Switch Type General Purpose General Purpose ✓
Voltage - Supply (Vcc/Vdd) Not Required Not Required ✓
Output Type N-Channel N-Channel ✓
Interface On/Off On/Off ✓
Current - Output (Max) 1.9A 1.9A ✓
Voltage - Load 5.5V ~ 35V 5.5V ~ 35V ✓
Features Auto Restart Auto Restart ✓
Fault Protection Current Limiting (Fixed) Open Load Detect Over Temperature Current Limiting (Fixed) Open Load Detect Over Temperature ✓
Rds On (Typ) 55mOhm 55mOhm ✓
Supplier Device Package D2PAK (SMD-220 5-Lead) D2PAK (SMD-220 5-Lead) ✓
Package / Case TO-263-5 D2PAK (4 Leads + Tab) TO-263BB TO-263-5 D2PAK (4 Leads + Tab) TO-263BB ✓
RoHS Status RoHS non-compliant RoHS non-compliant ✓
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited) ✓

CHIPNOBO

Semiconductor Replacement Engineering & Supply Continuity

Power Distribution Switches, Load Drivers

PRODUCT DATASHEET

3. SUPPLY & LIFECYCLE
ChipNobo Number NB521S
Lifecycle status Active
NRND No
EOL No
PCN monitor No
Last buy date No Deadline
Alternate availability Sufficient
4. APPLICATION AREAS
Smart Cockpit Battery Management System (BMS)
Electric Vehicle (EV) PLC Controller
Industrial Robot Semiconductor Equipment
AI Server Data Center Switch
5G Base Station Smartphone
Smart Lighting Air Conditioner

5. ENGINEERING & COMMERCIAL NOTES

  • The ChipNobo MPN is the public product identity used by ChipNobo for this replacement reference.
  • The original manufacturer and original MPN are retained as reference identity information.
  • Product PDF data are intended for engineering, procurement and supply-continuity reference.
  • Current price, MOQ, lead time, available supply source and regional availability should be confirmed through RFQ.
  • For customer-specific qualification, PCB footprint approval, reliability requirements or design-in approval, the customer should perform the applicable validation process.

CHIPNOBO REPLACEMENT · Semiconductor Replacement Engineering & Supply Continuity Partner

Document purpose: Product Information / Replacement Reference · Generated from the product data supplied for NB521S.

Important Notice & Disclaimer

Document ID: 【CN-DATA-NB521S】 Revision: 1.0 Status: Released

The information provided by ChipNobo is intended solely for engineering evaluation, product selection, procurement, and supply continuity reference purposes. Product specifications, lifecycle status, availability, and other information are subject to change without notice. Customers should always verify relevant information against the latest official documentation published by the respective manufacturers.

Cross-reference and replacement recommendations are provided for engineering reference purposes only. They do not constitute a guarantee of pin-to-pin compatibility, interchangeability, or suitability for any particular application. Customers are responsible for conducting all necessary engineering reviews, testing, and qualification prior to product selection and use.

Manufacturer names, trademarks, and part numbers are referenced solely for product identification purposes. Their use does not imply any affiliation with, endorsement by, or authorization from the respective manufacturers, unless expressly stated otherwise.

To the maximum extent permitted by applicable law, ChipNobo makes no warranties, express or implied, regarding the completeness, accuracy, or suitability of the information provided and shall not be liable for any loss or damage arising from its use or reliance, except as otherwise expressly agreed in writing and subject to applicable law.