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CSR8811 Datasheet – Bluetooth Single Chip Radio IC – CSR

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Part Number: CSR8811

Function: Bluetooth v4.1 single-chip radio and baseband IC

Package: 28-ball 2.57 x 3.21 x 0.6mm 0.5mm pitch WLCSP

Manufacturer: Cambridge Silicon Radio, Qualcomm

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Description

CSR8811’s dual-mode radio enables it to connect to the billions of Bluetooth products already on the market, as well as a new generation of Bluetooth low energy devices.  It supports CSR Wake-on Smart™, enabling the host CPU to be powered down and reducing energy consumption for Bluetooth Smart use cases. When used with CSR Synergy® host software, the CSR8811 provides a system fully qualified to the Bluetooth v4.1 specification for data and voice communications.

 

Pinout

components

 

Features

1. Fully qualified Bluetooth v4.1 system
2. Full-speed Bluetooth operation with full piconet and scatternet support
3. Class 1 Bluetooth power level supported
4. High-sensitivity Bluetooth receiver
5. On-chip SBC encoding
6. On-chip balun
7. Low-power selectable 1.2 to 3.6V I/O
8. Integrated I/O and core regulators
9. High-speed UART port (up to 4Mbps)
10. PCM/I2S digital audio interface
11. Support for IEEE 802.11 coexistence
12. HFP v1.6 wide-band speech supported on-chip
13. Optimized for use on low-cost PCBs

 

Official Homepage: http://www.csr.com/node/6226

 

CSR8811 Datasheet

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IR2125 Datasheet – Current limiting single channel driver

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Part Number: IR2125

Function: Current limiting single channel driver

Manufacturer: International Rectifier, ( https://www.infineon.com/ )

Pinouts:

IR2125 datasheet

Description
The IR2125(S) is a high voltage, high speed power MOSFET and IGBT driver with over-current limiting protection circuitry. Proprietary HVIC and latch immune CMOS technologies enable ruggedized monolithic construction. Logic inputs are compatible with standard CMOS or LSTTL outputs, down to 2.5V logic. The output driver features a high pulse currentbuffer stage designed for minimum driver cross-conduction. The protection circuitry detects over-current in the driven power transistor and limits the gate drive voltage. Cycle by cycle shutdown is programmed by an external capacitor which directly controls the time interval between detection of the over-current limiting conditions and latched shutdown. The floating channel can be used to drive an N-channel power MOSFET or IGBT in the high or low side configuration which operates up to 500 volts.

Features
• Floating channel designed for bootstrap operation Fully operational to +500V Tolerant to negative transient voltage dV/dt immune
• Gate drive supply range from 12 to 18V
• Undervoltage lockout
• Current detection and limiting loop to limit driven power transistor current
• Error lead indicates fault conditions and programs shutdown time
• Output in phase with input
• 2.5V, 5V and 15V input logic compatible
• Also available LEAD-Free

 

IR2125 Datasheet PDF Download

IR2125 pdf

Other data sheets are available within the file: IR2125PbF, IR2125S, IR2125SPbF