Dual, Multiphase Step-Down Voltage Mode DC/DC Controller with Accurate Current Sharing Features: Operates with Power Blocks, DrMOS or External Gate Drivers and MOSFETs Constant-Frequency Voltage Mode Control with Accurate Current Sharing ±0.75% 0.6V Voltage Reference Dual Differential Output Voltage Sense Amplifiers Multiphase Capability—Up to 12-Phase Operation Programmable Current Limit Safely Powers a Prebiased Load Programmable or PLL-Synchronizable Switching Frequency Up to 2.25MHz Lossless Current Sensing Using Inductor DCR or Precision Current Sensing with Sense Resistor VCC Range: 3V to 5.5V VIN Range: 3V to 24V Power Good Output Voltage Monitor Output Voltage Tracking Capability Programmable Soft-Start Available in a 36-Pin 5mm × 6mm QFN Package

Precision, Low Power Rail-to-Rail Input/Output Differential Op Amp/SAR ADC Driver Features: 1mA Supply Current Single 2.8V to 5.25V supply Fully Differential Input and Output 200μV Max Offset Voltage 260nA Max Input Bias Current Fast Settling: 550ns to 18-Bit, 8VP-P Output Low Distortion: –116dBc at 1kHz, 8VP-P Rail-to-Rail Inputs and Outputs 3.9nV/√Hz Input-Referred Noise 180MHz Gain-Bandwidth Product 34MHz –3dB Bandwidth Low Power Shutdown: 70μA 8-Lead MSOP and 3mm × 3mm 8-Lead DFN Packages

4.5A, 500kHz Step-Down Switching Regulator Features: Constant 500kHz Switching Frequency High Power 16-Pin TSSOP Package Available Uses All Surface Mount Components Inductor Size Reduced to 1.8µH Saturating Switch Design: 0.07 Effective Supply Current: 2.5mA Shutdown Current: 20µA Cycle-by-Cycle Current Limiting Easily Synchronizable

High Efficiency, Synchronous, 4-Switch Buck-Boost Controller Features: Single Inductor Architecture Allows VIN Above, Below or Equal to the Regulated VOUT Programmable Input or Output Current Wide VIN Range: 4V to 38V 1% Output Voltage Accuracy: 0.8V < VOUT < 38V Synchronous Rectification: Up to 98% Efficiency Current Mode Control Phase-Lockable Fixed Frequency: 200kHz to 600kHz No Reverse Current During Start-Up Power Good Output Voltage Monitor Internal 5.5V LDO Quad N-Channel MOSFET Synchronous Drive VOUT Disconnected from VIN During Shutdown True Soft-Start and VOUT Short Protection, Even in Boost Mode Available in 28-Lead QFN (4mm × 5mm) and 28-Lead SSOP Packages

1.8A Quiescent Current, 15V, 300mA Synchronous Step-Down DC/DC Converter Features: Ultralow Quiescent Current: 1.8μA Synchronous Rectification: Efficiency Up to 95% Wide VIN Range: 2.5V to 15V Wide VOUT Range: 0.6V to 13.8V 300mA Output Current User-Selectable Automatic Burst Mode® or Forced Continuous Operation Accurate and Programmable RUN Pin Threshold 1.2MHz Fixed Frequency PWM Internal Compensation Power Good Status Output for VOUT Available in Thermally Enhanced 3mm × 3mm × 0.75mm, 10-Pin DFN and 10-Pin MSOP Packages

Dual Battery Charger/ Selector with SPI Interface Features: Complete Dual-Battery Charger/Selector System Serial SPI Interface Allows External µC Control and Monitoring Simultaneous Dual-Battery Discharge Extends Run Time by Typically 10% Simultaneous Dual-Battery Charging Reduces Charging Time by Up to 50% Automatic PowerPath™ Switching in <10µs Prevents Power Interruption Circuit Breaker Protects Against Overcurrent Faults 5% Accurate Adapter Current Limit Maximizes Charging Rate 95% Efficient Synchronous Buck Charger Charger Has Low 0.5V Dropout Voltage No Audible Noise Generation, Even with Ceramic Capacitors 11-Bit VDAC Delivers 0.8% Voltage Accuracy 10-Bit IDAC Delivers 5% Current Accuracy VIN Up to 32V; VBATT Up to 28V Available in 5mm × 7mm 38-Pin QFN and 36-Pin Narrow SSOP Packages

Ultra Low Power ARM Cortex-M4F MCU with Integrated Power Management Features: EEMBC ULPMark™-CP score (3 V): 189 Ultra low power active and hibernate modes Active mode dynamic current: 41 μA/MHz (typical) Flexi mode: 400 μA (typical) Hibernate mode: 0.65 μA (typical) Shutdown mode: 50 nA (typical) Shutdown mode (fast wake-up): 0.20 μA (typical) ARM Cortex-M4F processor at 52 MHz with FPU, MPU, ITM with SWD interface Power management Single-supply operation (connected to VBAT pins): 1.74 V to 3.6 V Optional buck converter for improved efficiency Memory options 512 kB of embedded flash memory with ECC 4 kB of cache memory to reduce active power 128 kB of configurable system SRAM with parity Safety Watchdog with dedicated on-chip oscillator Hardware CRC with programmable polynomial Multiparity bit protected SRAM ECC protected embedded flash Security Hardware cryptographic accelerator supporting AES-128, AES-256, and SHA-256 Protected key storage in flash, SHA-256-based keyed HMAC and key wrap and unwrap User code protection TRNG Digital peripherals 3 SPI interfaces to enable glueless interface to sensors, radios, and converters 1 I2C and 2 UART peripheral interfaces SPORT for natively interfacing with converters and radios Programmable GPIOs (44 in LFCSP and 51 in WLCSP) 3 general-purpose timers with PWM support RGB timer for driving RGB LED RTC0 for time keeping RTC1 with SensorStrobe and time stamping Programmable beeper 27-channel DMA controller Clocking features 26 MHz clock: on-chip oscillator, external crystal oscillator, SYS_CLKIN for external clock, and integrated PLL 32 kHz clock: on-chip oscillator and low power crystal oscillator Clock fail detection for external crystals Analog peripherals 12-bit SAR ADC, 1.8 MSPS, 8 channels, and digital comparator

Ultra Low Power ARM Cortex-M4F MCU with Integrated Power Management Features: EEMBC ULPMark™-CP score (3 V): 189 Ultra low power active and hibernate modes Active mode dynamic current: 41 μA/MHz (typical) Flexi mode: 400 μA (typical) Hibernate mode: 0.65 μA (typical) Shutdown mode: 50 nA (typical) Shutdown mode (fast wake-up): 0.20 μA (typical) ARM Cortex-M4F processor at 52 MHz with FPU, MPU, ITM with SWD interface Power management Single-supply operation (connected to VBAT pins): 1.74 V to 3.6 V Optional buck converter for improved efficiency Memory options 512 kB of embedded flash memory with ECC 4 kB of cache memory to reduce active power 128 kB of configurable system SRAM with parity Safety Watchdog with dedicated on-chip oscillator Hardware CRC with programmable polynomial Multiparity bit protected SRAM ECC protected embedded flash Security Hardware cryptographic accelerator supporting AES-128, AES-256, and SHA-256 Protected key storage in flash, SHA-256-based keyed HMAC and key wrap and unwrap User code protection TRNG Digital peripherals 3 SPI interfaces to enable glueless interface to sensors, radios, and converters 1 I2C and 2 UART peripheral interfaces SPORT for natively interfacing with converters and radios Programmable GPIOs (44 in LFCSP and 51 in WLCSP) 3 general-purpose timers with PWM support RGB timer for driving RGB LED RTC0 for time keeping RTC1 with SensorStrobe and time stamping Programmable beeper 27-channel DMA controller Clocking features 26 MHz clock: on-chip oscillator, external crystal oscillator, SYS_CLKIN for external clock, and integrated PLL 32 kHz clock: on-chip oscillator and low power crystal oscillator Clock fail detection for external crystals Analog peripherals 12-bit SAR ADC, 1.8 MSPS, 8 channels, and digital comparator

Ultra Low Power ARM Cortex-M4F MCU with Integrated Power Management Features: EEMBC ULPMark™-CP score (3 V): 189 Ultra low power active and hibernate modes Active mode dynamic current: 41 μA/MHz (typical) Flexi mode: 400 μA (typical) Hibernate mode: 0.65 μA (typical) Shutdown mode: 50 nA (typical) Shutdown mode (fast wake-up): 0.20 μA (typical) ARM Cortex-M4F processor at 52 MHz with FPU, MPU, ITM with SWD interface Power management Single-supply operation (connected to VBAT pins): 1.74 V to 3.6 V Optional buck converter for improved efficiency Memory options 512 kB of embedded flash memory with ECC 4 kB of cache memory to reduce active power 128 kB of configurable system SRAM with parity Safety Watchdog with dedicated on-chip oscillator Hardware CRC with programmable polynomial Multiparity bit protected SRAM ECC protected embedded flash Security Hardware cryptographic accelerator supporting AES-128, AES-256, and SHA-256 Protected key storage in flash, SHA-256-based keyed HMAC and key wrap and unwrap User code protection TRNG Digital peripherals 3 SPI interfaces to enable glueless interface to sensors, radios, and converters 1 I2C and 2 UART peripheral interfaces SPORT for natively interfacing with converters and radios Programmable GPIOs (44 in LFCSP and 51 in WLCSP) 3 general-purpose timers with PWM support RGB timer for driving RGB LED RTC0 for time keeping RTC1 with SensorStrobe and time stamping Programmable beeper 27-channel DMA controller Clocking features 26 MHz clock: on-chip oscillator, external crystal oscillator, SYS_CLKIN for external clock, and integrated PLL 32 kHz clock: on-chip oscillator and low power crystal oscillator Clock fail detection for external crystals Analog peripherals 12-bit SAR ADC, 1.8 MSPS, 8 channels, and digital comparator

Precision Analog Microcontroller, 16-Bit Analog Input/Output with MDIO Interface, Arm Cortex-M33 Features: Analog input/output Multichannel, 16-bit, 2 MSPS ADC Up to 16 external channels On-chip die temperature monitor 4 power monitor channels 4 PGA/TIA channels supporting voltage and current measurements Fully differential and single-ended modes 0 V to VREF analog input range 12-bit voltage output DACs 8× 0 V to 2.5 V, 1 kΩ load 4× 0 V to 2.5 V, 2.5 kΩ load On-chip low drift voltage reference, 1.25 V or 2.5 V Buffered 1.25 V or 2.5 V output 4 voltage comparators Microcontroller 32-bit Arm Cortex-M33 core, 32-bit RISC architecture, FPU Serial wire port supports code download and debug Clocking options 16 MHz on-chip oscillator 160 MHz PLL output with programmable divider External clock source Memory 2× 512 kB independent Flash/EE memories 10,000-cycle Flash/EE endurance 20-year Flash/EE retention 128 kB SRAM with ECC Software triggered, in circuit reprogrammability via MDIO or I2C On-chip peripherals 2× UART, 3× SPI, 3× I2C serial input/output Multilevel voltage (3.3 V, 1.8 V, 1.2 V) GPIOs MDIO slave up to 10 MHz 5 general-purpose timers Wake-up timer (WUTs) Watchdog timers (WDTs) 32-element PLA 16-bit PWM 10 external Interrupts Power Multiple supplies: 3.3 V for voltage DACs and ADCs, and 3.3 V, 1.8 V, or 1.2 V for digital inputs/outputs Flexible operating modes for low power applications Packages and temperature range 5 mm × 5 mm 81-ball CSP_BGA and 3.46 mm × 3.46 mm 64-ball WLCSP BGA package uses ULA molding compounds Fully specified for −40°C to +105°C operation Tools Low cost quick start development system Full third-party support