TC1028CEUA Microchip Integrated Circuit (Small Outline Packages) In Stock
TC1028CEUA is a dual comparator IC from Microchip in a compact SOT-23 package. It features rail-to-rail output capability, low supply voltage operation from 1.8 V to 5.5 V, and open-drain outputs suitable for wired-OR configurations. Ideal for battery-powered systems, portable devices, and threshold detection circuits.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- TC1028CEUA Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual comparator with open-drain outputs for wired-OR or wired-AND bus applications
- Wide supply voltage range: 1.8 V to 5.5 V for battery-powered designs
- Rail-to-rail output swing maximizes signal range at low supply voltages
- Ultra-small SOT-23-6 package minimizes PCB footprint in space-constrained designs
- Low quiescent current extends battery life in portable applications
Applications
TC1028CEUA is well-suited for portable and battery-operated electronics where low-power threshold detection is needed. Common applications include window comparators in sensor interfaces, voltage monitoring circuits, and logic-level translation in industrial handheld equipment. Its dual-channel design enables compact implementations of multi-signal detection without additional components.
Specifications
| YTEOL | 0 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What supply voltage range does TC1028CEUA support, and how does it fit battery-powered designs?
TC1028CEUA operates from 1.8 V to 5.5 V, making it compatible with single-cell lithium-ion batteries and 3.3 V or 5 V regulated rails. Its low quiescent current draw helps extend battery runtime in portable sensing and monitoring applications.
How do the open-drain outputs of TC1028CEUA enable multi-device bus configurations?
The open-drain outputs allow multiple TC1028CEUA devices to share a common signal line, with each output capable of pulling the line low. A single pull-up resistor, typically 10 kohm, enables wired-OR logic, useful in fault detection and alert aggregation circuits with 2-wire interfaces.
When should a designer choose TC1028CEUA over a single comparator IC like MCP6541?
TC1028CEUA provides 2 independent comparator channels in a single 6-pin SOT-23 package, halving the component count versus two discrete MCP6541 devices. This dual integration is preferred when board space is limited and two threshold-detection channels are required within a 5.5 V maximum supply system.
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