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ultra mobility market includes a variety of powerful and portable
electronic solutions for business and consumer requirements
that includes smart phones, PDA's, and Portable Media
Players such as Video, Flash Memory products, and Hard Disk
utilities like MP3 and MP4. This rapidly growing area is serviced
with a diverse assortment of standard and next generation integrated
circuits from Pericom ranging from Analog Switches, USB Switches,
Supervisor Circuits, Level Shifters, Bus Switches,
and Real-Time Clock products. |
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 Product Families
Analog Switch
USB Switch
Voltage Translators/ Level Shifters
Supervisory Circuits
Real Time Clock Products
Digital Bus Switch
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 Ultra
Mobility Overview
- High-fidelity Audio Switching/External Headset
Switches between internal and external speakers, while eliminating noise
- Dual SPDT Analog Switches, and Dual SPDT with Shunt Analog Switches
- Dual SPDT Mux/DeMux Switches and Dual SP3T Analog Switches
- Power Saver Switches
Switches that conserve battery life
- Low-voltage, Single-supply SPST Switches
- Multi-processor Interconnects with high-speed, automatic voltage translation
- Specialty Interface Tranceivers & Specialty Interface Voltage Translators
- Enhanced Mini USB (all-in-one)
Support for switch between audio, battery charging, and data transfer from one USB port
- Wide Bandwidth USB 2.0 Switches & Dual SPDT Analog Switches
- USB Voltage Protection
- 3.3V, High-bandwidth, 2-Bit, Bus Switch with individual low enables
- System Timing
- Real-time Clocks & Spread-spectrum Clocks
 Multiple Product Opportunities in GPS, Media Player, and Smart phone
Analog
Switch Home Page:
Audio Internal/External Switching
- PI3A3160, or PI5A3158, or PI5A4684
- Application : Allow switching internal audio devices to external ones
Differential 2:1 Muxing (Single & Dual SPDT)
- PI3A3160, or PI5A3158, or PI5A4684
- Application : Allow internal speaker to switch between MP3 music and MIDI ring tone
Differential 2:1 Muxing (Dual SPDT w/ Integrated Functions)
- PI3A212S and PI5A4764
- Advantage: On-Chip Shunt Switches to Ground Reduce Audio Popping & Clicking
- PI3A212SC
- Advantage:
- On-Chip Comparator provides mute detection
- On-Chip Shunt Switches to Ground Reduce Audio Popping & Clicking
Differential 3:1 Muxing (Dual SPDT Solution)
- Multiple chip solution: 2X of PI3A3160, or PI5A3158, or PI5A4684
- Application : Allow internal speaker to switch amount incoming voice, MP3 music and MIDI ring tone.
Power Switching (SPST) for Increased Battery Life
- Switching OFF unused devices conserves Battery Life
- Application :
- Selectively switching (disconnect) inactive devices to save power and lengthen operation period. PI5A4626 (Single SPST) is available for this application
- Advantage:
- Pericom SPST Analog Switches provide lower Ron compared to FET Switches
- Results in Increased Battery Life
Small Size MP3
- Line in and Speaker Signal Go Through One Header
- PI3A3160, or PI5A3158, or PI5A4684
- Application : Allow MIC in and Speaker our through single connecter
- PI5A3158, PI3A3160 are the best Pericom offering for the Dual SPDT
USB Switch:
USB MUX
- PI5A3158 for USB 1.0 or PI3USB10 for USB 2.0
- Application : Share audio and USB data signal for area optimization by reducing the USB socket.
- PI5A3158 for USB1.0 data transfer, PI3USB10 for USB2.0 data transfer are available
USB Mini Host Solution
- USB Host and USB Device Two Chips Solution
- For MP3 or Hard drive application
- Application : Share USB device and USB Host signal for area optimization by reducing the USB socket.
- PI5A3158 for USB1.1 data transfer, PI3USB10 for USB2.0 data transfer are available
Level Shifters/ Voltage Translators:
Level Translation (Wireless LAN Interface)
- 2x PI4ULS3V16
- Application : Data/Address bus voltage translation between 1.8V Baseband SOC and CF Card/type wireless LAN module. Level Translation (Camera I/F)
- PI74AVC164245 or PI4ULS3V16
- Application: Data bus voltage translation between 3.3V camera and 1.8V Cell phone SOC. Common CCIR 656 Video interface speed around 270Mbps.
Level Translation (LCD I/F)
- PI74AVC164245, or PI4ULS3V08
- Application : Voltage translation between Cell phone SOC and LCD module. Which depends on the LCD driver I/O capability
Digital Bus
Switch:
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| Relevant Application Notes |
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Cell Phone Application Notes
Handheld Application Notes
Mobile Application Notes
MP3 Application Notes
PDA Application Notes
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