Description
●The TPS659122 device provides four configurable step-down converters with up to 2.5A output current for memory, processor core, I/O, or pre-regulation of LDOs. It also contains 10 LDO regulators for external usage which can be supplied from either a battery or a pre-regulated supply. Power-up/power-down controller is configurable and can support any power-up/power-down sequences (OTP based).
●TPS659122 integrate a 32 kHz RC Oscillator to sequence all resources during Power up / down. All LDOs and DCDC converters can be controlled by I2C/SPI interface or Basic ENABLE Balls. In addition, an Independent automatic Voltage Scaling interface allows transitioning DCDC to different voltage by I2C or basic Roof/Floor Control. 3 RGB LED with advanced dimming feature are integrated inside the device.
●Features
●• 4 Step-Down Converters:
●– VIN Range From 2.7V to 5.5V
●– Power Save Mode at Light Load Current
●– Output Voltage Accuracy in PWM Mode ±2%
●– Typical 26 μA Quiescent Current per Converter
●– Dynamic Voltage Scaling
●– 100% Duty Cycle for Lowest Dropout
●• 10 LDOs:
●– 8 General Purpose LDOs
●– Output Voltage Range 0.8V to 3.3V
●– 2 Low Noise RF-LDOs
●– Output Voltage Range 1.6V to 3.3V
●– 32 μA Quiescent Current
●– Pre-Regulation Support by Separate PowerInputs
●– ECO mode
●– VIN Range of LDOs:
●• 1.8V to 3.6V or
●• 3.0V to 5.5V, respectively
●• 3 LED Outputs:
●– Internal Dimming Using I2C
●– Multiplexed with GPIOs
●– Up to 20mA per Current Sink
●• Thermal Monitoring
●– High Temperature Warning
●– Thermal Shutdown
●• Bypass Switch
●– Used with DCDC4 in Applications Powering an RF-PA
●– As Supply Switch for e.g. SD cards
●• Interface
●– I2C Interface
●– Power I2C Interface for Dynamic Voltage Scaling
●– SPI
●• 32kHz RC Oscillator
●• Undervoltage Lockout and Battery Fault Comparator
●• Long Button-Press Detection
●• Flexible Power-Up and Power-Down Sequencing
●• 3.6mm x 3.6mm WCSP Package with 0.4mm pitch
●Applications
●• Data cards
●• Smartphones
