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FEATURES
- Digital programming of all major parameters via I2C interface and non-volatile memory
- Output voltage setpoint/margining
- Sequencing & digital soft start
- Enable/Disable outputs independently
- Input/Output UV/OV voltage thresholds
- PWM/PFM mode
- Eight programmable regulator channels with 1.5% accuracy
- Three synchronous step-down (Buck) with internal PFETs
- One configurable step-up (Boost) or synchronous step-down (Buck)
- Two step-up (Boost)
- One configurable step-up (Boost) or inverting step-up/down (Buck-Boost)
- One adjustable output voltage LDO
- Programmable Linear Li-Ion Battery Charger
- Precharge/fast charge/termination current
- Fast Charge voltage threshold
- Float Voltage
- +2.7V to +6.0V Input Range (Higher system voltages supported)
- Built-in current limiting, UV/OV, and thermal protection
- Highly accurate reference and output voltage (<1.5%)
- 1MHz PWM frequency and automatic power saving PFM mode
- 96 bytes of user configurable nonvolatile memory
APPLICATIONS
- Portable Media Players
- Digital camcorders/still cameras
- Smart PDA/Camera phones
- Handheld GPS/PDA's
- Portable Equipmen
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Power Management IC solutions ranging from standard ICs to high performance plug-in, power brick, digital power and integrated power modules.
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SMT4214 Expandable Four-Rail Tracking Manager
Features
- Programmable Tracking Function
- Programmable Voltage Monitoring of 4 or more Independent Supplies
- Programmable Under-Voltage Thresholds
- Provides Soft Start, Reset, IRQ and Force Shutdown functions
- Minimizes Supply Differential During Power-on and Power-off
- Operates From Any One of Four Supply Voltages
- Easily Expandable to Control up to 32 Supplies
- Packaged in a 28 Lead SSOP Applications
Applications
- Multi-voltage supply rail manager for
- Telecom Infrastructure
- Compact PCI
- Servers
- Multi-voltage Network Processors, DSPs, ASICs
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SMM105: Single-Channel Supply Voltage Marginer and Active DC Output Controller
FEATURES
- Extremely accurate (±0.1%) Active DC Output Control (ADOC™)
- ADOC Automatically adjusts supply output voltage level under all DC load conditions
- Capable of margining supplies with trim inputs using either positive or negative trim pin control
- Wide Margin/ADOC range from 0.3V to VDD
- Uses either an internal or external VREF
- Operates from any intermediate bus supply from 8V to 15V and from 2.7V to 5.5V
- Programmable START and READY pins
- Two programmable general purpose monitor sensors - UV and OV with FAULT Output Flag
- General Purpose 1k EEPROM with Write Protect
- I2C 2-wire serial bus for programming configuration and monitoring status.
- 28 pad QFN or 25 ball Ultra CSP™ (Chip-Scale) package
APPLICATIONS
- In-system test and control of Point-of-Load (POL) Power Supplies for Multi-voltage Processors, DSPs and ASICs
- Enterprise and edge routers, servers, Storage Area Network
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SMS66 Six-Channel Power Supply Supervisor and Cacsade Sequence Controller
FEATURES
- Very accurate monitor function - 5mV steps
- Monitors and sequences up to six supplies
- Programmable Power-on/-off sequencing
- Monitors internal temperature sensor
- Operates from 12V or 3.3V supply
- Monitors 12V input and VDD
- Monitors two general-purpose 10-bit ADC inputs
- Programmable threshold limits (2 OV/2 UV) for each monitored input
- Programmable RESET, HEALTHY and FAULT functions
- 4k-bit general purpose nonvolatile memory
- I2C 2-wire serial bus for programming configuration and monitoring status, including 10-bit ADC conversion results
APPLICATIONS
- Monitor and Sequence Distributed Power and Point of Load Power Supplies
- Multi-voltage Processors, DSPs, ASICs used in Telecom, CompactPCI or server systems
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