MAX14736/MAX14737 Precision, Ultra-Fast, Low Supply Current, Bidirectional Overvoltage Protector General Description Benefits and Features The MAX14736/MAX14737 overvoltage-protection (OVP) Protects Battery-Connected Modules with Minimal devices guard battery-powered modules in portable Power Consumption devices against overvoltage faults. The low 15m (typ) Wide Operating Input Voltage: +2.1V to +5.5V on-resistance, as well as the low 13A (typ) quiescent 4.5A Continuous Current Capability supply current of the devices, minimize power consump- Integrated 15m (typ) pFET tion, making them an ideal choice for low-power systems. Ultra-Low Supply Current: 13A (typ) Additionally, the devices feature a precision overvoltage- Allows Precise Design in OVLO Implementation lockout (OVLO) threshold, ultra-fast response time, and Preset Accurate Internal OVP Thresholds surge suppression to 35V, which serve to provide excel- MAX14736: 4.7V 2.0% lent protection against even high slew-rate, high-voltage MAX14737: 5.2V 2.0% transients. Increases System Reliability Through Premium The integrated power transistor in the devices is a Security p-channel device, but the intrinsic body diode from OUT Surge Immunity to 35V to IN is removed through appropriate design techniques. Soft-Start to Minimize Inrush Current Consequently, when the switch is in the off state, reverse- Output Hot Plug-In Protection current blocking that is inherent to the devices. The Thermal Shutdown MAX14736/MAX14737 feature a push-pull POK output, Ultra-Fast OVP Response Time: 200ns (typ) which is driven low if either an overvoltage, undervoltage, Minimizes Board Space by Compact WLP or thermal fault is detected or if the device is placed into shutdown mode. 9-Bump 1.34mm x 1.36mm WLP The MAX14736 has an active-low enable pin (EN), while Applications the enable pin (EN) on the MAX14737 is active high. Smartphones When the enable pin is driven to the active state, the Tablet PCs device is enabled. When driven to the inactive state, the e-Readers device is placed in a low-power shutdown mode and the switch is kept in the off state. Ordering Information appears at end of data sheet. The MAX14736/MAX14737 are offered in a small, 9-bump (1.34mm x 1.36mm) wafer-level package (WLP) and oper- ate over the -40C to +85C extended temperature range. Typical Application Circuit PMIC CHGIN BYP BYPASS MICRO-B USB BATIN IN OUT HIDDEN BATTERY 0.1F 0.1F IN MAX14737 OUT 1k IN OUT EN POK SYS SYSTEM GND 19-7517 Rev 0 5/15MAX14736/MAX14737 Precision, Ultra-Fast, Low Supply Current, Bidirectional Overvoltage Protector Absolute Maximum Ratings (All voltages referenced to GND.) Continuous Power Dissipation (T = +70C) A IN (Note 1), OUT, EN, EN .......................................-0.3V to +6V WLP (derate 11.9mW/C above +70C) ......................952mW POK .............................................-0.3V to max (IN,OUT) + 0.3V Operating Temperature Range ........................... -40C to +85C Maximum Current into IN (DC) (Note 2) ..............................4.5A Junction Temperature ......................................................+150C Peak Current into IN (10ms) ...................................................8A Storage Temperature Range ............................ -65C to +150C Soldering Temperature (reflow) .......................................+260C Package Thermal Characteristics (Note 3) WLP Junction-to-Ambient Thermal Resistance ( ) .....83.98C/W JA Note 1: Survives burst pulse up to 40V with 2 minimum source resistance. Note 2: Limited by thermal design. Note 3: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial. Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Electrical Characteristics (V = +2.1V to +5.5V, T = -40C to +85C, unless otherwise noted. Typical values are at V = 4.3V, T = +25C, unless otherwise IN A IN A noted.) (Note 4) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS IN, OUT Input Voltage Range 2.1 5.5 V V IN Supply Current I V = 4.3V, no load 13 30 A IN IN Device disabled, IN Shutdown Current I 2 6 A IN Q V = 4.3V, V = 0V IN OUT Device disabled, OUT Shutdown Current 2 6 A V = 5V, V = 0V OUT IN OVP On-Resistance (IN to OUT) 15 22 m R V = 4.3V, I = 100mA, ON IN OUT MAX14736 4.600 4.700 4.800 V Overvoltage Trip-Level Threshold V V rising OVLO IN MAX14737 5.095 5.200 5.305 V Overvoltage Trip-Level Hysteresis V 100 mV OVLO Undervoltage Trip-Level Threshold 2.015 V V UVLO Undervoltage Trip-Level Hysteresis V 80 mV UVLO OUT Load Capacitance 100 F C OUT DIGITAL OUTPUT (POK) Output Voltage Low V I = 100A 0.4 V OL SINK Output Voltage High 1.4 V V I = 100A OH SOURCE Maxim Integrated 2 www.maximintegrated.com