Datasheet MAX20361 (Maxim) - 4

MAX20361 Small, Single-/Multi-Cell Solar Harvester with MPPT and Harvest Counter
Electrical Characteristics
(VSYS = +3.0V to +4.2V, VSRC = +0.3V to +2.5V, typical value is at VSYS = +3.8V, VSRC = +0.6V, TA = +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS SUPPLY
SYS Shutdown Supply I Current SYS_SHDN DeviceEnb = 1, any VSRC 190 650 nA SYS Sleep Supply I Current SYS_SLEEP DeviceEnb = 0, VSRC = 0V 360 1200 nA = 0V, boost not switching, not in sleep SYS Idle Supply Current ISYS_IDLE 1.43 μA mode
SYSTEM CONTROL (SYS)
System Termination Voltage-Programmable VSYS_REG 50mV steps, programmable through I2C 4 to 4.7 V Range System Regulation- VSYS_REG_AC SysReg[3:0] = 7, T -1 +1 % Voltage Accuracy A = 0°C to +60°C C SYS rising WAKE Voltage- VWAKE_RANG 100mV steps, programmable through I2C 3 to 3.7 V Programmable Range E WAKE Voltage WakeThr[2:0] = 0, V -2 +2 % Accuracy WAKE_ACC SYS rising 7 x 8 x WAKE Debounce Time tWAKE_TDEB ms Tmeas Tmeas
BOOST REGULATOR
Input Operating Voltage V at SRC SRC_RANGE 0 2.5 V Minimum Cold-Start V Voltage SC TA = 25°C (Note 3) 225 350 mV VSRC = 0.75V, VSYS = 3.8V, ISRC = 100μA, L = 4.7μH, DFE201612E- 77 4R7M = P2 Series Inductor Efficiency BOOST_EFF % VSRC = 0.75V, VSYS = 3.8V, ISRC = 30mA, L = 4.7μH, DFE201612E- 86 4R7M = P2 Series Inductor LX Low-Side On R Resistance ON_LXL 0.1 0.14 Ω LX SYS High-Side On R Resistance ON_LX_SYS 0.29 0.39 Ω SRC LX Slow Snubber R Resistance LX_SSNUB 20 kΩ SRC LX Snubber R Resistance LX_SNUB 342 Ω IBSTpk0 90 IBSTpk1 120 IBSTpk2 145 Peak Current I mA BSTpk3 180 IBSTpk4 285 IBSTpk5 355 IBSTpk6 470 www.maximintegrated.com Maxim Integrated | 4 Document Outline General Description Applications Benefits and Features Simplified Block Diagram Absolute Maximum Ratings Package Information Electrical Characteristics Typical Operating Characteristics Bump Configuration Pin Descriptions Detailed Description Boost Converter Harvesting Meter Maximum Power Point Tracking (MPPT) Low-Light Sleep Mode WAKE Output Thermal Monitor Shutdown Cold-Startup Source Clamp I2C Interface Slave Address Bit Transfer Single-Byte Write Burst Write Single Byte Read Burst Read Acknowledge Bits Register Map Applications Information Inductor Selection Capacitor Selection SRC Capacitance SYS and VCC Capacitance nMOS Transistor Selection Typical Application Circuits Solar Application Circuit Ordering Information