Are you sure your design is operating the way you want it to be? Check out LTC2955CTS8-1#TRMPBF power monitoring system from Linear Technology to be sure. This part has an input voltage of 1.5 to 36 V. This product will be shipped in tape and reel packaging to allow for quick mounting and safe delivery. This part has a minimum operating temperature of 0 °C and a maximum of 70 °C.