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MMPF0200Z 数据表(PDF) 12 Page - NXP Semiconductors |
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MMPF0200Z 数据表(HTML) 12 Page - NXP Semiconductors |
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12 / 118 page  Analog Integrated Circuit Device Data 12 Freescale Semiconductor PF0200Z General Product Characteristics Electrical Characteristics 4.2.1 Power Dissipation During operation, the temperature of the die should not exceed the operating junction temperature noted in Table 4. To optimize the thermal management and to avoid overheating, the PF0200Z provides thermal protection. An internal comparator monitors the die temperature. Interrupts THERM110I, THERM120I, THERM125I, and THERM130I will be generated when the respective thresholds specified in Table 5 are crossed in either direction. The temperature range can be determined by reading the THERMxxxS bits in register INTSENSE0. In the event of excessive power dissipation, thermal protection circuitry will shut down the PF0200Z. This thermal protection will act above the thermal protection threshold listed in Table 5. To avoid any unwanted power downs resulting from internal noise, the protection is debounced for 8.0 ms. This protection should be considered as a fail-safe mechanism and therefore the system should be configured such that this protection is not tripped under normal conditions. 4.3 Electrical Characteristics 4.3.1 General Specifications Table 5. Thermal Protection Thresholds Parameter Min Typ Max Units Thermal 110 °C Threshold (THERM110) 100 110 120 °C Thermal 120 °C Threshold (THERM120) 110 120 130 °C Thermal 125 °C Threshold (THERM125) 115 125 135 °C Thermal 130 °C Threshold (THERM130) 120 130 140 °C Thermal Warning Hysteresis 2.0 – 4.0 °C Thermal Protection Threshold 130 140 150 °C Table 6. General PMIC Static Characteristics TA = -40 to 85 °C, VIN = 2.8 to 4.5 V, VDDIO = 1.7 to 3.6 V, typical external component values and full load current range, unless otherwise noted. Pin Name Parameter Load Condition Min Max Unit PWRON VIL –0.0 0.2 * VSNVS V VIH – 0.8 * VSNVS 3.6 V RESETBMCU VOL -2.0 mA 0.0 0.4 V VOH Open Drain 0.7* VIN VIN V SCL VIL – 0.0 0.2 * VDDIO V VIH – 0.8 * VDDIO 3.6 V SDA VIL – 0.0 0.2 * VDDIO V VIH – 0.8 * VDDIO 3.6 V VOL -2.0 mA 0.0 0.4 V VOH Open Drain 0.7*VDDIO VDDIO V INTB VOL -2.0 mA 0.0 0.4 V VOH Open Drain 0.7* VIN VIN V SDWNB VOL -2.0 mA 0.0 0.4 V VOH Open Drain 0.7* VIN VIN V |
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