NCN4557 - ON Semiconductor

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

NCN4557
Manufacturer

ON Semiconductor
ChipWorker Part#

CW399276357
RoHS

Lead free / RoHS Compliant
Description

1.8V/3V Dual SIM/SAM/Smart Card Power Supply and Level Shifter
Documentation

Datasheet

NCN4557 Global Supplier

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NCN4557 Specifications

Attribute	Attribute Value

Part Number	NCN4557
Manufacturer	ON Semiconductor
ChipWorker Part#	CW399276357
Documentation	Datasheet
	expand all
RoHS	RoHS Compliant

Product Description

The NCN4557 is a dual interface analog circuit designed to translate the voltages between SIM Cards, SAM Cards or Smart Cards and a microcontroller (or similar control device). It integrates two LDOs for power conversion and three level shifters per channel allowing the management of two independent chip cards. The device fulfills the ISO-7816 and EMV smart card interface requirements as well as the GSM and 3G mobile standard. Due to a built-in sequencer, the device enables automatic activation and deactivation. Through the ENABLE pin a low current shutdown mode can be activated extending the battery life.The card power supply voltage (1.8 V or 3.0 V) and the card socket A or B are selected using two dedicated pins (SEL0 & SEL1).
Features | | Benefits
---|---|---
| | | | |
Supports 1.8 V or 3.0 V Operating SIM/SAM/Smart Cards
| |
Support Main Types of SIM cards
The LDOs are able to Supply more than 50 mA Under 1.8 V and 3.0 V
| |
High load drive capabilities compatible with 3G standard
ESD Protection on Card Pins in Excess of 8.0 kV
| |
Enhanced system safety
Built-in Sequencer for Activation and Deactivation
| |
Power-up and Power-down internally managed
Very Compact LowProfile 3x3 QFN16 Package
| |
Save space

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- Carefully tested and packaged by ChipWorker
- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
- Income quality control (IQC), 800+ qualified distributors.
- Authorities test the chip to ensure the quality, authenticity and safety of your device.
- Decapsulation control
- X-ray inspection
- XRF inspection
- Electrical testing
- Surface testing

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