CS4412A-CNZR Cirrus Logic Inc, CS4412A-CNZR Datasheet
CS4412A-CNZR
Specifications of CS4412A-CNZR
Related parts for CS4412A-CNZR
CS4412A-CNZR Summary of contents
Page 1
... The low R DS(ON) delivering high efficiency which allows small device package and lower power supplies. The CS4412A is available in a 48-pin QFN package in Commercial grade (-10°C to +70°C). The CRD4412A customer reference design is also available. Please re- fer to ordering information. ...
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... Table 2. Typical Ramp Times for Typical VP Voltages .............................................................................. 13 Table 3. Output Mode Configuration Options............................................................................................. 15 Table 4. Low-Pass Filter Components - Half-Bridge.................................................................................. 16 Table 5. DC-Blocking Capacitors Values - Half-Bridge.............................................................................. 17 Table 6. Low-Pass Filter Components - Full-Bridge .................................................................................. 18 Table 7. Over-Current Error Conditions ..................................................................................................... 19 Table 8. Thermal and Under-Voltage Error Conditions.............................................................................. 19 Table 9. Power Supply Configuration and Settings.................................................................................... 20 2 CS4412A DS786A2 ...
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... Over-current Reference (Input) - Sets over-current trigger level. Connect pin through a resistor 21 to GND. See OCREF ing. DS786A2 Thermal Pad Top-Down (Through Package) View 48-Pin QFN Package Pin Description 15. “Device Protection and Error Reporting” on page CS4412A OUT1 35 PGND 34 PGND 33 OUT2 OUT3 29 PGND 28 PGND 27 OUT4 “Output 19. This pin should not be left float- 3 ...
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... Popguard Transient Control” on page Thermal Pad - Thermal relief pad for optimized heat dissipation. See - Thermal Pad page 20 4 Pin Description “Device Protection and Error Reporting” on page 19 “Device Protection and Error Reporting” on page for more information. CS4412A 19. 19. 13. “QFN Thermal Pad” on DS786A2 ...
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... The maximum over/under voltage is limited by the input current. DS786A2 Symbol VD 2.375 VD 3.135 VD VP Commercial Symbol VP No Output Switching VP VD (Note (Note 2) V IND Commercial stg CS4412A Min Nom Max Units 2.5 2.625 V 3.3 3.465 V 4.75 5.0 5.25 V 8.0 18.0 V °C -10 - +70 °C -10 - +125 Min Max Units -0.3 19 ...
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... Unweighted 0 50°C DS(ON Ω Load min t Resistive Load r t Resistive Load 25°C, OCREF = 16.2 kΩ 25°C, OCREF = 18 kΩ 25°C, OCREF = 22 kΩ 25°C UVFALL 25°C UVRISE A CS4412A = 25°C; A 6;. Min Typ Max Units - 0.1 ...
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... GND = PGND = 0 V; All voltages with respect to ground; Unless otherwise specified. Parameters High-Level Input Voltage Low-Level Input Voltage High-Level Output Voltage Input Leakage Current Input Capacitance DS786A2 Min (Notes 3 3 (Note 2.25 - Symbol Min V 0.7*VD_REG 0.90* CS4412A Typ Max Units 2.5 2. Max Units VD V 0.20*VD_REG µA ± ...
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... Output 2 5.0 V, Open Drain Input - Input - Output Power MOSFET Output Power MOSFET Output Power MOSFET Output Power MOSFET Table 1. I/O Power Rails CS4412A Receiver 2 5 5 5 5 5 5 5 5 ...
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... GND 17 GND 18 GND 19 GND 20 GND 47 GND CS4412A + +18 V 470 µ Since ramping is disabled for full- bridge applications, this capacitor can be omitted and RAMP_CAP can be connected directly to VP. See Section 4.2.1 for details. Full-Bridge Output Filter See Figure 6. 32 Full-Bridge Output Filter ...
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... OUT4 26 GND 10 GND 13 GND 14 GND 15 GND 16 GND 17 GND 18 GND 19 GND 20 GND 47 GND CS4412A + +18 V 470 µ Channel 1 Half-Bridge Output Filter Output See Figure 5. Channel 2 Half-Bridge Output Filter Output See Figure 5. Channel 3 Full-Bridge Output Filter Output See Figure 6. DS786A2 Audio Audio Audio ...
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... GND 13 GND 14 GND 15 GND 16 GND 17 GND 18 GND 19 GND 20 GND 47 GND CS4412A + +18 V 470 µ Half-Bridge Channel 1 Output Filter Output See Figure 5. Channel 2 Half-Bridge Output Filter Output See Figure 5. Half-Bridge Channel 3 Output Filter Output See Figure 5. Half-Bridge Channel 4 Output Filter Output See Figure 5 ...
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... GND GND GND GND GND GND GND GND GND GND CS4412A + +18 V 470 µ Since ramping is disabled for full- 24 bridge applications, this capacitor can be omitted and RAMP_CAP can be connected directly to VP. See Section 4.2.1 for details Full-Bridge Output Filter 29 See Figure 6 ...
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... DC-blocking capacitors connected in series with the audio outputs. WARNING: The Popguard feature can not be used for the CS4412A in applications where VP exceeds 12 V. Doing so could result in permanent damage to the CS4412A. The RAMP pin must always be tied low in ap- plications where VP exceeds 12 V ...
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... If the outputs are configured for ramping, the CS4412A will perform a ramp-up sequence on OUT1/2 im- mediately following the release of RST12 and a ramp sequence on OUT3/4 immediately following the re- lease of RST34. See Section 4 ...
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... IN2 must be wired to IN1 for parallel full-bridge operation. Bridge Tied Load IN3 must be wired to IN1; the CS4412A will internally invert IN3. With Inversion IN4 must be wired to IN1; the CS4412A will internally invert IN4. Reserved The input connections are not applicable. Table 3. Output Mode Configuration Options Section 4 ...
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... *Diode is Rohm 680 pF RB160M-30 or equivalent 5.6 Ω Figure 5. Output Filter - Half-Bridge Load L1 4 Ω 22 µH 6 Ω 33 µH 8 Ω 47 µH Table 4. Low-Pass Filter Components - Half-Bridge CS4412A Table 4 shows the component values C1 1.0 µF 0.68 µF 0.47 µF DS786A2 ...
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... C2 based on corner frequency Load Corner Frequency 4 Ω 120 Hz 6 Ω 120 Hz 8 Ω 110 Hz Table 5. DC-Blocking Capacitors Values - Half-Bridge CS4412A C2 1000 µF 680 µF 330 µF 680 µF 390 µF 220 µF 470 µF 330 µF 180 µF 17 ...
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... 680 pF *Diode is Rohm RB160M-30 or 5.6 Ω equivalent 680 pF 5.6 Ω Figure 6. Output Filter - Full-Bridge Load L1 Ω 10 µH 6 Ω 15 µH 8 Ω 22 µH Table 6. Low-Pass Filter Components - Full-Bridge CS4412A Table 6 shows the component val- C1 1.0 µF 0.47 µF 0.47 µF DS786A2 ...
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... Device Protection and Error Reporting The CS4412A has built-in protection circuitry for over-current, under-voltage, and thermal warning/over- load conditions. The levels of the over-current error, thermal error, and VP under-voltage trigger points are listed in the PWM Power Output Characteristics ever any of these preset thresholds, other than thermal warning, are crossed. ...
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... PCB layers; the copper in these ground planes will act as a heat sink for the CS4412A. The CRD4412A reference design demonstrates the optimum thermal pad and via configuration. ...
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... Total Harmonic Distortion + Noise (THD+N) The ratio of the rms value of the signal to the rms sum of all other spectral components over the specified band width (typically kHz), including distortion components. Expressed in decibels. Measured at -1 and -20 dBFS as suggested in AES17-1991 Annex A. DS786A2 CS4412A 21 ...
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... Side View NOM MAX MIN -- 0.0354 -- -- 0.0020 0.00 0.0157 0.30 0.2736 6.65 0.2736 6.65 0.0276 0.45 JEDEC #: MO-220 Controlling Dimension is Millimeters. CS4412A Bottom View MILLIMETERS NOM MAX -- 0.90 -- 0.05 0.35 0.40 9.00 BSC 6.80 6.95 9.00 BSC 6.80 6.95 0.65 BSC ...
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... Section 9. “Ordering Information” on page 23 DS786A2 Symbol θ IN,RMS Package Pb-Free Grade 48-QFN Yes Commercial -10°C to +70° Changes CS4412A Min Typ Max - 1 - °C/Watt or 0.177*P (assuming 85% effi- OUT,RMS Temp Range Container Order# Rail CS4412A-CNZ Tape and CS4412A-CNZR Reel - - CRD4412A - - CRD4525-Q1 Units 23 ...
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... TORNEYS’ FEES AND COSTS, THAT MAY RESULT FROM OR ARISE IN CONNECTION WITH THESE USES. Cirrus Logic, Cirrus, the Cirrus Logic logo designs, and Popguard are trademarks of Cirrus Logic, Inc. All other brand and product names in this document may be trademarks or service marks of their respective owners. 24 CS4412A DS786A2 ...