TM1814

@@ -8,14 +8,14 @@ TM1814 from TM Shenzhen Titan Micro Elec TM1814 TA2105B, in a SOP-8. Pinout and  | Pin | Name | Type | Function | |---|---|---|---|-| 1 | OUTR | output | N-channel open-drain constant-current output for the Red LED channel. Programmable 6.5-38 mA in 64 steps and 256-level PWM. OUT pin withstands up to 32V; recommended operating voltage 1.2-3V when on. |-| 2 | OUTG | output | N-channel open-drain constant-current output for the Green LED channel. Programmable 6.5-38 mA in 64 steps and 256-level PWM. OUT pin withstands up to 32V. |-| 3 | OUTB | output | N-channel open-drain constant-current output for the Blue LED channel. Programmable 6.5-38 mA in 64 steps and 256-level PWM. OUT pin withstands up to 32V. |-| 4 | GND | power_in | Ground reference (电源地). Common return for logic and OUT sink currents. |-| 5 | DO | output | Single-wire cascaded data output to the DIN of the next TM1814 in the chain. Reshaped/regenerated so cascades do not attenuate the signal. Recommended to series a 100Ω protection resistor. |-| 6 | DIN | input | Single-wire serial data input from the controller (or DO of the previous chip). Data rate 800 kHz external / 500 kHz internal mode. VIH ≥ 3.5V @ VDD=5V; recommended to series a 100Ω protection resistor. |-| 7 | VDD | power_in | Logic supply (电源正极). Internal 5V shunt regulator allows operation from a 6-24V rail through a series resistor (e.g. 50Ω @ 6V, 350Ω @ 9V, 650Ω @ 12V, 1.8kΩ @ 24V). Recommended VDD 4.5-6.5V; absolute max 7.0V. Add 104 (100nF) decoupling close to the pin. |-| 8 | OUTW | output | N-channel open-drain constant-current output for the White LED channel. Programmable 6.5-38 mA in 64 steps and 256-level PWM. OUT pin withstands up to 32V. |+| 1 | OUTR | output | Red-channel constant-current output. N-channel open-drain sink; 64-step programmable constant current 6.5 mA-38 mA, 256-level PWM dimming. Rated up to 32 V; recommended OUT-on voltage 1.2-3 V for best efficiency; enters constant-current region above ~0.8 V. |+| 2 | OUTG | output | Green-channel constant-current output. N-channel open-drain sink; 64-step programmable constant current 6.5 mA-38 mA with 256-level PWM. Absolute max 32 V; channel-to-channel matching ±3%. |+| 3 | OUTB | output | Blue-channel constant-current output. N-channel open-drain sink; 64-step programmable constant current 6.5 mA-38 mA with 256-level PWM. Absolute max 32 V. |+| 4 | GND | power_in | Ground / power supply return. All voltages are referenced to this pin. |+| 5 | DO | output | Single-wire cascade data output. Forwards regenerated data to the DIN of the next TM1814 in the chain; held high before forwarding starts. Recommend 100 Ω series resistor for ESD/hot-plug protection. Propagation delay DIN→DO ~155 ns. |+| 6 | DIN | input | Single-wire cascade data input. Receives NRZ-coded control data (C1 current setting + C2 inverse + Dn PWM values) at up to 800 kHz. VIH ≥ 3.5 V, VIL ≤ 1.5 V at VDD=5 V. Recommend 100 Ω series resistor for ESD/hot-plug protection. |+| 7 | VDD | power_in | Logic power supply, 4.5-6.5 V typical (5.0 V nominal). Integrates an internal 5 V zener regulator so the chip can operate from a 6-24 V rail through an external series resistor (R = (VDC - 5.5 V) / 10 mA). Bypass with a 104 (100 nF) decoupling cap close to the pin. Abs-max 7.0 V. |+| 8 | OUTW | output | White-channel constant-current output. N-channel open-drain sink; 64-step programmable constant current 6.5 mA-38 mA with 256-level PWM. Absolute max 32 V. |  ## Key specifications 

@@ -32,49 +32,49 @@         "number": "1",         "name": "OUTR",         "type": "output",-        "description": "N-channel open-drain constant-current output for the Red LED channel. Programmable 6.5-38 mA in 64 steps and 256-level PWM. OUT pin withstands up to 32V; recommended operating voltage 1.2-3V when on."+        "description": "Red-channel constant-current output. N-channel open-drain sink; 64-step programmable constant current 6.5 mA-38 mA, 256-level PWM dimming. Rated up to 32 V; recommended OUT-on voltage 1.2-3 V for best efficiency; enters constant-current region above ~0.8 V."       },       {         "number": "2",         "name": "OUTG",         "type": "output",-        "description": "N-channel open-drain constant-current output for the Green LED channel. Programmable 6.5-38 mA in 64 steps and 256-level PWM. OUT pin withstands up to 32V."+        "description": "Green-channel constant-current output. N-channel open-drain sink; 64-step programmable constant current 6.5 mA-38 mA with 256-level PWM. Absolute max 32 V; channel-to-channel matching \u00b13%."       },       {         "number": "3",         "name": "OUTB",         "type": "output",-        "description": "N-channel open-drain constant-current output for the Blue LED channel. Programmable 6.5-38 mA in 64 steps and 256-level PWM. OUT pin withstands up to 32V."+        "description": "Blue-channel constant-current output. N-channel open-drain sink; 64-step programmable constant current 6.5 mA-38 mA with 256-level PWM. Absolute max 32 V."       },       {         "number": "4",         "name": "GND",         "type": "power_in",-        "description": "Ground reference (电源地). Common return for logic and OUT sink currents."+        "description": "Ground / power supply return. All voltages are referenced to this pin."       },       {         "number": "5",         "name": "DO",         "type": "output",-        "description": "Single-wire cascaded data output to the DIN of the next TM1814 in the chain. Reshaped/regenerated so cascades do not attenuate the signal. Recommended to series a 100Ω protection resistor."+        "description": "Single-wire cascade data output. Forwards regenerated data to the DIN of the next TM1814 in the chain; held high before forwarding starts. Recommend 100 \u03a9 series resistor for ESD/hot-plug protection. Propagation delay DIN\u2192DO ~155 ns."       },       {         "number": "6",         "name": "DIN",         "type": "input",-        "description": "Single-wire serial data input from the controller (or DO of the previous chip). Data rate 800 kHz external / 500 kHz internal mode. VIH ≥ 3.5V @ VDD=5V; recommended to series a 100Ω protection resistor."+        "description": "Single-wire cascade data input. Receives NRZ-coded control data (C1 current setting + C2 inverse + Dn PWM values) at up to 800 kHz. VIH \u2265 3.5 V, VIL \u2264 1.5 V at VDD=5 V. Recommend 100 \u03a9 series resistor for ESD/hot-plug protection."       },       {         "number": "7",         "name": "VDD",         "type": "power_in",-        "description": "Logic supply (电源正极). Internal 5V shunt regulator allows operation from a 6-24V rail through a series resistor (e.g. 50Ω @ 6V, 350Ω @ 9V, 650Ω @ 12V, 1.8kΩ @ 24V). Recommended VDD 4.5-6.5V; absolute max 7.0V. Add 104 (100nF) decoupling close to the pin."+        "description": "Logic power supply, 4.5-6.5 V typical (5.0 V nominal). Integrates an internal 5 V zener regulator so the chip can operate from a 6-24 V rail through an external series resistor (R = (VDC - 5.5 V) / 10 mA). Bypass with a 104 (100 nF) decoupling cap close to the pin. Abs-max 7.0 V."       },       {         "number": "8",         "name": "OUTW",         "type": "output",-        "description": "N-channel open-drain constant-current output for the White LED channel. Programmable 6.5-38 mA in 64 steps and 256-level PWM. OUT pin withstands up to 32V."+        "description": "White-channel constant-current output. N-channel open-drain sink; 64-step programmable constant current 6.5 mA-38 mA with 256-level PWM. Absolute max 32 V."       }     ],     "provenance": {@@ -138,8 +138,5 @@     "docs/tm1814-datasheet.pdf",     "viewers/symbol.html",     "viewers/footprint.html"-  ],-  "visibility": {-    "public": true-  }+  ] }\ No newline at end of file

@@ -50,7 +50,7 @@ <layer number="98" name="Guide" color="6" fill="1" visible="yes" active="yes"/> </layers> <library>-<description></description>+<description>TM Shenzhen Titan Micro Elec TM1814 TA2105B LED Drivers, SOP-8</description> <packages> <package name="SOIC-8_3.9x4.9mm_P1.27mm">   <description>SOIC-8, 3.9 x 4.9 mm, 1.27 mm pitch</description>@@ -86,6 +86,7 @@ </packages> <symbols> <symbol name="TM1814">+  <description>TM Shenzhen Titan Micro Elec TM1814 TA2105B LED Drivers, SOP-8</description>   <wire x1="-12.7" y1="5.08" x2="12.7" y2="5.08" width="0.254" layer="94"/>   <wire x1="12.7" y1="5.08" x2="12.7" y2="-7.62" width="0.254" layer="94"/>   <wire x1="12.7" y1="-7.62" x2="-12.7" y2="-7.62" width="0.254" layer="94"/>@@ -104,7 +105,7 @@ </symbols> <devicesets> <deviceset name="TM1814" prefix="U">-  <description></description>+  <description>TM Shenzhen Titan Micro Elec TM1814 TA2105B LED Drivers, SOP-8</description>   <gates>     <gate name="G$1" symbol="TM1814" x="0" y="0"/>   </gates>@@ -120,7 +121,12 @@         <connect gate="G$1" pin="DIN" pad="6"/>         <connect gate="G$1" pin="DO" pad="5"/>       </connects>-      <technologies><technology name=""/></technologies>+      <technologies>+        <technology name="">+          <attribute name="MPN" value="TM1814" constant="no"/>+          <attribute name="MANUFACTURER" value="TM Shenzhen Titan Micro Elec TM1814 TA2105B" constant="no"/>+        </technology>+      </technologies>     </device>   </devices> </deviceset>