PCA9557PWT Texas Instruments
- Part No.:
- PCA9557PWT
- Manufacturer:
- Texas Instruments
- Category:
- I/O Expanders
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
- PCA9557PWT.pdf
- Description:
- IC XPND 400KHZ I2C SMBUS 16TSSOP
- Quantity:
Unit Price:$0
Ext Price:$0
- Payment:

- Shipping:

Inventory:444
Send us your inquiry,we will respond immediately.
PCA9557PWT Historical Prices
| Date | Price (USD) |
|---|---|
| 2022-03-15 | $10.0000 |
Product Details
The PCA9557PWT from Texas Instruments is part of our extensive selection of I/O Expanders, designed to meet the demanding requirements of modern electronic applications. This component is widely used by engineers and manufacturers for its reliable performance, stable quality, and broad compatibility across various circuit designs. Whether applied in consumer devices, industrial equipment, automotive systems, or IoT solutions, the PCA9557PWT delivers dependable functionality that helps optimize design efficiency and reduce development time.
At Chipkind Electronics, we provide genuine Texas Instruments products with complete datasheets, specifications, and technical support. Each PCA9557PWT is carefully sourced through reliable distribution channels to support authenticity, traceability, and quality control. With our global supply chain and professional procurement team, customers can access stock information, competitive pricing, and flexible order quantities to fit both prototyping and mass production needs.
Beyond offering the PCA9557PWT, Chipkind Electronics also provides alternative models, cross-references, and related components, making it easier to identify the right solution for your project. Our technical resources, combined with fast quotation and delivery services, give engineers and buyers the confidence to move quickly from design to production.
PCA9557PWT Specifications
- Specifications
- FAQ
- Attributes
- Property Value
- Manufacturer
- Texas Instruments
- Series:
- -
- Package/Case:
- 16-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Number of I/O:
- 8
- Interface:
- I2C, SMBus
- Interrupt Output:
- No
- Features:
- POR
- Output Type:
- Open Drain, Push-Pull
- Current - Output Source/Sink:
- 10mA, 25mA
- Clock Frequency:
- 400 kHz
- Voltage - Supply:
- 2.3V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-TSSOP
- Category:
- I/O Expanders
Q1: How can I order PCA9557PWT from Chipkind Electronics?
A1: You can order Texas Instruments PCA9557PWT in two ways:
- Add to Cart - If Texas Instruments PCA9557PWT is available for online purchase, click "Add to Cart" and proceed to checkout to complete payment and shipping details.
- RFQ (Request for Quotation) - For bulk orders, special price tiers, or lead time confirmation, click "RFQ" to submit your inquiry for Texas Instruments PCA9557PWT. Our sales team will respond with pricing, stock, and delivery options.
Q2: How does Chipkind Electronics guarantee the authenticity of PCA9557PWT?
A2: We source PCA9557PWT only from Texas Instruments and authorized distributors. All suppliers pass strict qualification audits, and each batch undergoes professional quality inspections before shipment.
Q3: Are the PCA9557PWT price and stock information displayed accurate?
A3: Pricing and inventory are updated frequently (typically within 24 hours). Due to market fluctuations, please confirm final price and stock with our sales team before placing your order. Quotes are generally valid for 5 days.
Q4: What payment methods are accepted?
A4: We accept Wire Transfer (T/T), PayPal, Credit Card, Western Union, MoneyGram, Alipay, and WeChat Pay. Some payment methods may require a handling fee depending on order value and destination.
Q5: How is shipping arranged for PCA9557PWT?
A5: We ship via DHL, FedEx, UPS, and TNT. Tracking details are emailed after dispatch. Express delivery usually takes 3–5 business days. Optional shipping insurance is available upon request.
Q6: What is the return or replacement policy?
A6: All items undergo Pre-Shipment Inspection (PSI). Returns or replacements are accepted if:
- (1) issues (shortage, wrong item, visible defects) are reported within 90 days of delivery;
- (2) the product is unused in original unopened packaging;
- (3) a Return Authorization is obtained.
Q7: How can I get technical support for PCA9557PWT?
A7: Datasheets, pin diagrams, and application notes are available on the product page. For additional support, please contact our technical team via the inquiry form or email at [email protected].
Q8: What certifications and quality systems does Chipkind Electronics hold?
A8: Chipkind Electronics is ISO9001 and IATF16949 certified and follows international quality standards, ensuring reliable sourcing, rigorous QC, and continuous improvement.
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