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PCA9635 Datasheet(PDF) 3 Page - NXP Semiconductors |
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PCA9635 Datasheet(HTML) 3 Page - NXP Semiconductors |
3 / 35 page PCA9635_7 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 07 — 16 July 2009 3 of 35 NXP Semiconductors PCA9635 16-bit Fm+ I2C-bus LED driver 3. Applications I RGB or RGBA LED drivers I LED status information I LED displays I LCD backlights I Keypad backlights for cellular phones or handheld devices 4. Ordering information [1] PCA9635PW/Q900 is AEC-Q100 compliant. Contact i2c.support@nxp.com for PPAP. 5. Block diagram Table 1. Ordering information Type number Topside mark Package Name Description Version PCA9635PW PCA9635PW TSSOP28 plastic thin shrink small outline package; 28 leads; body width 4.4 mm SOT361-1 PCA9635PW/Q900[1] PCA9635PW TSSOP28 plastic thin shrink small outline package; 28 leads; body width 4.4 mm SOT361-1 Remark: Only one LED output shown for clarity. Fig 1. Block diagram of PCA9635 A0 A1 A2 A3 A4 A5 A6 002aac136 I2C-BUS CONTROL INPUT FILTER PCA9635 POWER-ON RESET SCL SDA VDD VSS LED STATE SELECT REGISTER PWM REGISTER X BRIGHTNESS CONTROL GRPFREQ REGISTER GRPPWM REGISTER MUX/ CONTROL OE '0' – permanently OFF '1' – permanently ON VDD LEDn 190 Hz 24.3 kHz 97 kHz 25 MHz OSCILLATOR |
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