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DATA SHEET
TPS53676 Dual-Channel D-CAP+™, (N+M ≤ 7 Phases) Step-Down, Multiphase Controller with AVSBus and PMBus Interfaces
1 Features
- Input voltage range: 4.5 V to 17 V
- Output voltage range: 0.25 V to 5.5 V
- Per-phase switching frequency range: 300 kHz to 2000 kHz
- Dual output supporting N+M phase
configurations (N+M ≤ 7, M ≤ 3)
- AVSBus compliant, per PMBus 1.3.1
part III
- PMBus v1.3.1 system interface for configuration, control and
telemetry of voltage, current, power, temperature, and fault status
- Adaptive voltage scaling (AVS)
through VOUT_COMMAND
- Enhanced D-CAP+ control to
provide super transient performance with excellent dynamic current sharing
- Programmable loop
compensation
- Flexible phase-firing order
- External pinstrap for Ch. A boot voltage settings
- Individual phase current calibrations and reporting
- Phase thermal balance management
(TBM)
- Full support for dynamic phase
shedding (DPS)
- Fast phase-adding for undershoot
reduction (USR)
- Body-diode braking for overshoot
reduction (OSR)
- Driverless configuration for efficient high-frequency
switching
- Fully Compatible with TI NexFET™ power stage for high-density solutions
- Accurate, programmable adaptive voltage positioning (AVP)
- Patented AutoBalance™ phase balancing
- 6 mm × 6 mm, 48-pin, QFN
package
2 Applications
- Data center network switches
- Campus and branch switches
- Core and edge routers
- Hardware accelerator cards
- High performance CPU/ASIC/FPGA
power
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