SI823-45, SI-8243B, SI8250 Selling Leads, Datasheet
MFG:5600 Package Cooled:KDI D/C:04+
SI823-45, SI-8243B, SI8250 Datasheet download
Part Number: SI823-45
MFG: 5600
Package Cooled: KDI
D/C: 04+
SI823-45, SI-8243B, SI8250
- Table of contents:
Info of SI823-45
Info of SI-8243B
Info of SI8250
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About SI8020
PDF/DataSheet Download
Datasheet: SI8020
File Size: 425139 KB
Manufacturer:
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About SI-10022
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Datasheet: SI-10022
File Size: 501288 KB
Manufacturer: ETC [ETC]
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About SI8250
PDF/DataSheet Download
Datasheet: SI8250
File Size: 954603 KB
Manufacturer: Silicon Laboratories
Download : Click here to Download
SI8250 General Description
Si8250/1/2 provides all control and protection functions necessary to implement highly intelligent, fast response power delivery and management control systems for isolated and non-isolated power supplies. On-board processing capability enables intelligent control optimization for improved system performance and new capabilities such as serial connectivity via the PMBus or on-board UART. The Si8250/1/2 family is in-system Flash programmable enabling control and protection parameters such as system regulation and protection settings, start-up and shutdown modes, loop response, and modulation timing to be readily modified. The built-in high-speed control path provides loop updates every 100nS and provides pulse-by-pulse current limiting and over-current protection even while the internal CPU is disabled.
The Si825x family is supported by the Si8250DK development kit, which contains everything required to develop and program power supply applications with the Si825x family of digital controllers.
SI8250 Maximum Ratings
|
Parameter |
Conditions |
Min |
Typ |
Max |
Unit |
| Ambient Temperature under Bias |
55 |
- |
+135 |
||
| Storage Temperature |
65 |
- |
+150 |
||
| Voltage on any Port0 Pin with respect to GND |
0.3 |
- |
5.5 |
V | |
| Voltage on all other pins with respect to GND |
0.3 |
- |
4.0 |
V | |
| Voltage on VDD with respect to GND |
0.3 |
- |
4.0 |
V | |
| Maximum total current through VDD or GND |
- |
- |
400 |
mA | |
| Maximum output current sunk by RST or any Port pin |
- |
- |
80 |
mA | |
| *Note: Stresses above those listed under "2.1 Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only, and functional operation of the devices at those or any other conditions above those indicated in the operation listings of this specification is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability. | |||||
SI8250 Features
Single-Chip, Flash-based digital power controller
` Supports isolated and non-isolated applications
` Enables new system capabilities such as:
- Adaptive dead-time control for higher efficiency
- Nonlinear control for faster transient response
- Self diagnostics for higher reliability
- Full PMBus command set implementation for system connectivity
Highly integrated control solution:
` High-speed digital hardware control loop
` In-system programmable supervisory processor
` Programmable system protection functions
` Hardware cycle-by-cycle current limiting and OCP
` External clock and frame synchronization inputs
` Performs system management functions such as external power supply sequencing and fan control/monitoring
In-system Flash programmable
` Flash can also be used as NV memory for data storage
Low cost, comprehensive development tool kit includes:
` Graphical, easy-to-use systemdesign tools
` Integrated development environment
` In-system, on-line debugger
` Turnkey isolated 35 W digital half-bridge target board
Typical Applications
` Isolated and non-isolated DC/DC converters
` AC/DC converters
Fully Pb-free and ROHS compliant packages
` 32-pin LQFP
` 28-pin 5 x 5 mm QFN
Temp Range: 40 to +125 ºC
SI8250 Connection Diagram
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