The ZSPM4121 protects batteries from destructive discharge by connecting or disconnecting the battery from the load based on a set threshold voltage. Even during the off-mode, charger current can be delivered to the battery through the ZSPM4121's internal Schottky diode. In this off-mode state, the ZSPM4121 will only draw 100pA standby current (Iqq-off). With its low on-mode standby current of only 70nA, the ZSPM4121 is perfectly suited for voltage monitoring in conventional or solar trickle-charging applications. The open-drain pull-down power-good-not (NPG ) pin allows connecting an LED for power-good indication. The factory-programmable threshold voltage from 1.2V to 4.2V (in 100mV steps) gives the ZSPM4121 a wide application range. The integrated over-current protection (3A) eliminates external components, minimizing the application footprint and engineering effort.
The ZSPM4141 is an ultra-low power LDO capable of driving up to 200mA while consuming only 20nA in standby and 100pA in power-down mode. Its power consumption is up to 100 times lower than conventional LDOs. The ZSPM4141 is a perfect match for any battery-operated application, extending battery life to its maximum. A wide Vin range of 2.5V to 5.5V and voltage output of 1.2V to 4.2V (factory-programmable in 100mV steps) provide maximum application flexibility.
"ZMDI is a market leader developing technologies that enable our customers to create systems that further optimize energy efficiency, system operation and battery life. The ZSPM4121 and ZSPM4141 family of power management ICs truly benefits our customers by offering solutions for applications that require ultra-low power," stated Edward Lam, Vice President of Product Marketing and Business Development at ZMDI.
ZSPM41x1 Family Features
Unique Features-ZSPM4121 Battery-Protection Under-Voltage Switch
Unique Features-ZSPM4141 Ultra-Low Power LDO
Availability & Pricing
ZSPM4121 US$ 0.75 (1k), ZSPM4141 US$ 0.35 (1k)
Zentrum Mikroelektronik Dresden AG (ZMDI) is a global supplier of analog and mixed-signal semiconductors solutions for automotive, industrial, medical, information technology and consumer applications. These solutions enable our customers to create the most energy-efficient products in power management, lighting and sensors.
For over 50 years, ZMDI has been globally headquartered in Dresden, Germany. With over 320 employees worldwide, ZMDI serves its customers with sales offices and design centers throughout Germany, Italy, Bulgaria, France, United Kingdom, Ireland, Japan, Korea, Taiwan and the United States.
See more at http://www.zmdi.com.
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