Advanced Battery Management PMIC with Inductive Boost LED and Three LDO Regulators Features: Switching mode USB battery charger High accuracy and programmable charge terminal voltage and charge current 3 MHz buck for high efficiency and small footprint Tolerant input voltage from −0.5 V to +20 V (USB VVBUSx) Power path control allows system to operate with dead or missing battery Compliant with JEITA charge temperature specification Voltage-based state of charge (SOC) calculation algorithm Extra low quiescent current in sleep mode Battery impedance chemistry (Li-Ion) compensation Battery temperature compensation No need for external sense resistor Boost regulator with 5-channel LED driver Support up to 4 LED in series or in parallel 5 independent programmable LED current sinks 64 programmable LED current levels (up to 20 mA) Programmable on and off timer for LED blinking Adaptive headroom control to maximize the efficiency Three 150 mA linear LDO regulators Ultralow IQ with zero load at 1 μA typical for LDO1 Optional load-switch full turn-on mode Full I2C programmability with dedicated interrupt pin

40 V, 200 mA, Low Noise, CMOS LDO Linear Regulator Features: Low noise: 11 μV rms independent of fixed output voltage PSRR of 88 dB at 10 kHz, 68 dB at 100 kHz, 50 dB at 1 MHz, VOUT ≤ 5 V, VIN = 7 V Input voltage range: 2.7 V to 40 V Maximum output current: 200 mA Initial accuracy: ±0.8% Accuracy over line, load, and temperature −1.2% to +1.5%, TJ = −40°C to +85°C ±1.8%, TJ = −40°C to +125°C Low dropout voltage: 200 mV (typical) at a 200 mA load, VOUT = 5 V User programmable soft start (LFCSP and SOIC only) Low quiescent current, IGND = 50 μA (typical) with no load Low shutdown current: 1.8 μA at VIN = 6 V, 3.0 μA at VIN = 40 V Stable with a small 2.2 μF ceramic output capacitor Fixed output voltage options: 1.8 V, 2.5 V, 3.3 V, 3.8 V, and 5.0 V 15 standard voltages between 1.2 V and 5.0 V are available Adjustable output from 1.2 V to VIN – VDO, output can be adjusted above initial set point Precision enable 2 mm × 2 mm, 6-lead LFCSP, 8-Lead SOIC, 5-Lead TSOT AEC-Q100 qualified for automotive applications

High Efficiency Battery Charger/USB Power Manager Features: Switching Regulator Makes Optimal Use of Limited Power Available from USB Port to Charge Battery  and Power Application 180mΩ Internal Ideal Diode Plus Optional External Ideal Diode Controller Seamlessly Provides Low  Loss Power Path When Input Power is Limited or  Unavailable Full Featured Li-Ion/Polymer Battery Charger VBUS Operating Range: 4.25V to 5.5V (7V Absolute  Maximum—Transient) 1.2A Maximum Input Current Limit 1.5A Maximum Charge Current with Thermal Limiting Bat-Track Adaptive Output Control Slew Control Reduces Switching EMI Low Profile (0.75mm) 14-Lead 4mm × 3mm DFN Package

Micropower Low Noise Boost Converters with Output Disconnect Features: Low Quiescent Current 65µA in Active Mode 1µA in Shutdown Mode Switching Frequency is Non-Audible Over Entire Load Range Integrated Power NPN: 350mA Current Limit (LT3494A) 180mA Current Limit (LT3494) Integrated Schottky Diode Integrated Output Disconnect Integrated Output Dimming Wide Input Range: 2.3V to 16V Wide Output Range: Up to 40V Tiny 8-Lead 3mm × 2mm DFN Package

2.25MHz, 800mA Synchronous Step-Down Regulator in ThinSOT Features: High Efficiency: Up to 95% Low Output Ripple (<20mVP-P): Burst Mode® Operation: IQ = 16µA 2.5V to 5.5V Input Voltage Range 2.25MHz Constant Frequency Operation Synchronizable to External Clock No Schottky Diode Required Stable with Ceramic Capacitors Low Dropout Operation: 100% Duty Cycle 0.6V Reference Allows Low Output Voltages Shutdown Mode Draws < 1µA Supply Current ±2% Output Voltage Accuracy Current Mode Operation for Excellent Line and Load Transient Response Overtemperature Protected Low Profile (1mm) ThinSOT™ Package

Secondary-Side Synchronous Forward Controller Features: Secondary-Side Control for Fast Transient Response Self-Starting Architecture Eliminates Need for Separate Bias Regulator Proprietary Gate Drive Encoding Scheme Reduces System Complexity Current Mode Control Ensures Current Sharing PLL Fixed Frequency: 100kHz to 500kHz ±1% Output Voltage Accuracy OPTI-LOOP Compensation Available in a Narrow 16-Lead SSOP Package

Standalone USB Li-Ion/Polymer Battery Charger in 2mm x 2mm DFN Features: Full-Featured Standalone USB Li-Ion/Polymer Battery Charger 100mA to 950mA Programmable Charge Current C/10 Charge Current Detection Output Internal Safety Timer Termination NTC Thermistor Input for Temperature Qualified Charging Preset 4.2V Float Voltage with 0.5% Accuracy Constant-Current/Constant-Voltage Operation with Thermal Feedback Charge Current Monitor Output for Gas Gauging Automatic Recharge Bad-Battery Detection 8.5µA Input Supply Current in Suspend Mode Tiny 8-Lead (2mm × 2mm) DFN Package

Boost/Inverting DC/DC Converter with 2A Switch, Soft-Start, and Synchronization Features: 2A Internal Power Switch Adjustable Switching Frequency Single Feedback Resistor Sets VOUT Synchronizable to External Clock High Gain SHDN Pin Accepts Slowly Varying Input Signals Wide Input Voltage Range: 2.5V to 32V Low VCESAT Switch: 300mV at 1.5A (Typical) Integrated Soft-Start Function Easily Configurable as a Boost or Inverting Converter User Configurable Undervoltage Lockout (UVLO) Tiny 8-Lead 3mm × 3mm DFN and 8-Lead MSOP Packages

Boost/Inverting DC/DC Converter with 2A Switch, Soft-Start, and Synchronization Features: 2A Internal Power Switch Adjustable Switching Frequency Single Feedback Resistor Sets VOUT Synchronizable to External Clock High Gain SHDN Pin Accepts Slowly Varying Input Signals Wide Input Voltage Range: 2.5V to 32V Low VCESAT Switch: 300mV at 1.5A (Typical) Integrated Soft-Start Function Easily Configurable as a Boost or Inverting Converter User Configurable Undervoltage Lockout (UVLO) Tiny 8-Lead 3mm × 3mm DFN and 8-Lead MSOP Packages

2-Phase Step-Up DC/DC Controller Features: 2-Phase Operation Reduces Required Input and Output Capacitance Programmable Switching Frequency: 150kHz to 500kHz 6V to 40V Input Range 10V Gate Drive with VCC ≥13V High Current Gate Drive (4A) Programmable Soft-Start and Current Limit Programmable Slope Compensation for High Noise Immunity MOSFET Gate Signals with Programmable Falling Edge Delay for External Synchronous Drivers Programmable Undervoltage Lockout Programmable Duty Cycle Clamp (50% or Higher) Thermally Enhanced 28-Lead TSSOP and 4mm x 5mm QFN Packages