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ASL5015FHN 数据表(PDF) 53 Page - NXP Semiconductors |
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ASL5015FHN 数据表(HTML) 53 Page - NXP Semiconductors |
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53 / 69 page  NXP Semiconductors ASL5xxxyHz Matrix LED Controller (MLC) ASL5xxxyHz All information provided in this document is subject to legal disclaimers. © NXP B.V. 2019. All rights reserved. Product data sheet Rev. 2.1 — 5 February 2019 53 / 69 Symbol Parameter/Pin Conditions Min Typ Max Unit VVcc(start) Vcc start up voltage (internal IPs enable threshold)[3] — 3.3 3.7 4.1 V TJT(acc) Junction temperature read accuracy Measurement triggered by CAN command 63. MLC returns the internal diode voltage drop. The junction temperature must be calculated with the formula. See application notes. -10 10 °C TOTW(acc) Over Temperature Warning (OTW) accuracy Flags in register 0x3Ah (bit 6 and 7) -10 10 °C [1] Guaranteed by design [2] When the address pins (A0 to A4) are grounded to get the lowest MLC addresses, each pin current consumption must be added to the normal operation and sleep mode current. [3] For detailed IC startup timing, check application notes "MLC Timing" section 18 Dynamic characteristics Table 50. Dynamic characteristics In accordance with the Absolute Maximum Rating System (IEC 60134) VCC = 4.5 V to 5.5 V; Tj = –40 °C to +175 °C; all voltages are defined with respect to ground; positive currents flow into the IC. Typical values are given at VCC = 5 V; Tj = 25 °C unless otherwise specified Optional (must be used together with Static characteristics) Symbol Parameter Conditions Min Typ Max Unit SR Slew rate (programmable per block) VCC = 5 V 0.2 — 6.8 V/µs fPWM Switch PWM frequency MTP reg. 60h, bit 0 = 0 243.39 244 244.61 Hz fPWM Switch PWM frequency MTP reg. 60h, bit 0 = 1 486.78 488 489.22 Hz tstartup Start-Up time Cap. between CP and VMAX = 22 nF — 1.8 2 ms Tphase Phase shifting time fPWM = 244 Hz — 256 — µs tdet(fail) fail detection time SC and OC — 100 400 ns tprog(MTP) MTP Erase-Program process Per line 5 — 10 ms tread(MTP) MTP Read time Per line — 1 — µs dPWM PWM Duty Cycle With 12-bit resolution 0 — 100 % tdet(NTC) NTC detection time — 90 100 110 µs tdet(NTC)(o c) NTC open detection time — 90 100 110 µs Setting 1 4.05 4.5 4.95 ms Setting 2 8.1 9 9.9 ms Setting 3 16.2 18 19.8 ms Setting 4 32.4 36 39.6 ms Setting 5 64.9 72.1 79.3 ms tto(wd) LHM watchdog time-out time Setting 6 129.8 144.2 158.6 ms |
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