diff --git a/flashchips.c b/flashchips.c
index 648fed4..64fdbb9 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -17006,6 +17006,50 @@
 
 	{
 		.vendor		= "Winbond",
+		.name		= "W25Q512JV",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= WINBOND_NEX_ID,
+		.model_id	= WINBOND_NEX_W25Q512JV,
+		.total_size	= 64 * 1024,
+		.page_size	= 256,
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_4BA,
+		.tested		= TEST_OK_PREW,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	=
+		{
+			{
+				.eraseblocks = { {4 * 1024, 16384} },
+				.block_erase = spi_block_erase_21,
+			}, {
+				.eraseblocks = { {4 * 1024, 16384} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {32 * 1024, 2048} },
+				.block_erase = spi_block_erase_52,
+			}, {
+				.eraseblocks = { {64 * 1024, 1024} },
+				.block_erase = spi_block_erase_dc,
+			}, {
+				.eraseblocks = { {64 * 1024, 1024} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {64 * 1024 * 1024, 1} },
+				.block_erase = spi_block_erase_60,
+			}, {
+				.eraseblocks = { {64 * 1024 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			}
+		},
+		.printlock	= spi_prettyprint_status_register_plain,
+		.unlock		= spi_disable_blockprotect,
+		.write		= spi_chip_write_256,
+		.read		= spi_chip_read,
+		.voltage	= {2700, 3600},
+	},
+
+	{
+		.vendor		= "Winbond",
 		.name		= "W25Q64.V",
 		.bustype	= BUS_SPI,
 		.manufacture_id	= WINBOND_NEX_ID,
diff --git a/flashchips.h b/flashchips.h
index dc04a5a..29294fb 100644
--- a/flashchips.h
+++ b/flashchips.h
@@ -931,6 +931,7 @@
 #define WINBOND_NEX_W25Q64_V	0x4017	/* W25Q64BV, W25Q64CV; W25Q64FV in SPI mode (default) */
 #define WINBOND_NEX_W25Q128_V	0x4018	/* W25Q128BV; W25Q128FV in SPI mode (default) */
 #define WINBOND_NEX_W25Q256_V	0x4019	/* W25Q256FV or W25Q256JV_Q (QE=1) */
+#define WINBOND_NEX_W25Q512JV	0x4020	/* W25Q512JV */
 #define WINBOND_NEX_W25Q20_W	0x5012	/* W25Q20BW */
 #define WINBOND_NEX_W25Q40BW	0x5013	/* W25Q40BW */
 #define WINBOND_NEX_W25Q80BW	0x5014	/* W25Q80BW */