Part Number:TAS5719
我们在使用TAS5719的时候,发现不同的批次表现不一样,这一个批次的都正常,下一个批次的有过载的问题.
原理图如下PDF文件:
TPS5719.pdf
软件设置如下:
/* 5719初始化数据 */
{0x1B, 1, {0x00}}, /*Oscillator trim register振荡器调整寄存器*/
{0x1B, 1, {0x00}},
{0x03, 1, {0x80}}, /*System control register 1*/
{0x11, 1, {0x77}}, /*IC delay channel 1*/
{0x12, 1, {0x7F}}, /*IC delay channel 2*/
{0x13, 1, {0x77}}, /*IC delay channel 3*/
{0x14, 1, {0x7F}}, /*IC delay channel 4*/
{0x1C, 1, {0x07}}, /*BKND_ERR register*/
{0x0A, 1, {0x30}}, /*Channel 3 vol*/
{0x0E, 1, {0xF1}}, /*Volume configuration register音量寄存器*/
{0x00, 1, {0x6C}}, /*Clock control register*/
{0x50, 4, {0x0F, 0x70, 0x80, 0x10}}, /*EQ control*/
{0x25, 4, {0x01, 0x02, 0x13, 0x45}}, /*PWM MUX register*/
{0x70, 4, {0x00, 0x80, 0x00, 0x00}}, /*ch1 inline mixer*/
{0x71, 4, {0x00, 0x00, 0x00, 0x00}}, /*inline_DRC_en_mixer_ch1*/
{0x74, 4, {0x00, 0x80, 0x00, 0x00}}, /*ch2 inline mixer*/
{0x75, 4, {0x00, 0x00, 0x00, 0x00}}, /*inline_DRC_en_mixer_ch2*/
//{0x46, 4, {0x00, 0x02, 0x06, 0x23}}, /*DRC control*/
{0x46, 4, {0x00, 0x02, 0x06, 0x20}}, /*DRC control*/ //DRC off
{0x05, 1, {0x00}}, /*System control register 2*/
{0x08, 2, {0x00, 0xC0}},
{0x09, 2, {0x00, 0xC0}},
{0x56, 4, {0x00, 0x40, 0x00, 0x00}}, /*Output post-scale*/
{0x57, 4, {0x00, 0x02, 0x00, 0x00}}, /*Output pre-scale*/
{0x07, 2, {0x00, 0x72}},
{0x07, 2, {0x03, 0xFF}}, /*Master volume,关音了*/
//{0x0B, 2, {0x01, 0x80}},/* 耳机音量 -3Db*/
//EQ
{0x27, 20, {0x00, 0x7F, 0xAA, 0x6F, 0x0F, 0x80, 0x55, 0x91, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7F, 0x54, 0xDF, 0x00, 0x00, 0x00, 0x00}},
{0x28, 20, {0x00, 0x80, 0x7C, 0x93, 0x0F, 0x01, 0x43, 0x46, 0x00, 0x7E, 0x43, 0x4B, 0x00, 0xFE, 0xBC, 0xBA, 0x0F, 0x81, 0x40, 0x22}},
{0x29, 20, {0x00, 0x77, 0x81, 0xB2, 0x0F, 0x35, 0xE9, 0x9C, 0x00, 0x5A, 0x76, 0xD2, 0x00, 0xCA, 0x16, 0x64, 0x0F, 0xAE, 0x07, 0x7C}},
{0x2A, 20, {0x00, 0xBE, 0x7D, 0x93, 0x0E, 0xE0, 0x31, 0xCA, 0x00, 0x73, 0xFE, 0x1A, 0x00, 0xB2, 0x25, 0x87, 0x0F, 0xBB, 0x2D, 0x02}},
{0x2B
Kailyn Chen:
您好,同一电路和配置,下一批次启动过载保护是吗?
这两个批次都是在哪里购买的?
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Tonyx.wu:
艾睿啊,质量没问题的.
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Kailyn Chen:
好的,我这边再看下您的问题。