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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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L9960 Arkusz danych(PDF) 73 Page - STMicroelectronics |
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L9960 Arkusz danych(HTML) 73 Page - STMicroelectronics |
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73 / 95 page  DS11115 Rev 10 73/95 L9960, L9960T Functional description 94 4.8.8 Off-state diagnostic electrical characteristics Tj = -40 °C to 150 °C, VDD5 = 4.5 V to 5.5 V, Vps = 4 V to 28 V unless otherwise specified. All voltages refer to GND. Currents are positive into and negative out of the specified pin. 4.9 SPI A standard 16 bits Serial Peripheral Interface (SPI) is implemented to allow bi-directional communication between the L9960 and the MCU. The SPI is used for configuration and diagnostic purposes as well as identifying the L9960 (ASSP name). The SPI interface of L9960 is a slave SPI interface: the master is the µcontroller which provides NCS and SCLK to L9960. As far as MSB/LSB order is concerned, MSB is sent first. Table 86. Off-state diagnostic electrical characteristics Symbol Parameter Condition Min. Typ. Max. Unit OUT1_OL_Thr Current threshold for OpenLoad detection (in relation with SCB range defined below) --30 - OUT1_SCB _Thr - 3µA µA OUT1_SCG_Thr Current threshold for SCG detection - -1200 - -500 µA OUT1_SCB_Thr Current threshold for SCB detection - 100 - 500 µA Thz Delay time before allowing off-state diagnostic After disable, including reset (guaranteed through scan) 200 250 300 ms Tstable_off Off-state diagnostic filtering time Starts at the end of Tdiag_del Applied to the combination of the 3 inputs (guaranteed through scan) 36 40 50 µs Tdiag_del Settling time for Off-state diagnostics current generators; Timing for reliable diagnostic (guaranteed through scan) 600 749 900 µs IOL (OUT2 pull down current) Current source used for the detection - 200 - 400 µA Ttimeout Off-state diagnosis time-out (unstable diagnostics input during Tstable_off) Starts at the end of Tdiag_del (guaranteed through scan) 78.4 10 ms Vout_reg OUT1 regulator output voltage during Offstae diagnostics - 1.3 1.8 2.3 V C_ESD ESD capacitors connected to OUT1 and OUT2. (1) - 10 - 47 nF 1. See also paragraph 3.13.1 of the application note AN4867 on www.st.com website. |
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